The Complete Kia Forte Air Filter Guide: Save Money & Boost Performance Yourself

Replacing the air filter in your Kia Forte is a simple, essential maintenance task you can perform yourself in under 10 minutes, saving significant money compared to dealership service while improving engine performance, fuel economy, and protecting your engine. Whether you drive a 2011 Forte Koup or a brand new 2024 Forte GT, this guide provides the exact steps, correct part numbers, expert insights, and crucial tips you need to confidently handle this job. Understanding this straightforward process empowers you as an owner, putting control of basic maintenance firmly in your hands and extending the life of your vehicle.

Understanding Your Kia Forte's Air Filter System

Every gasoline engine, including those powering all generations of the Kia Forte, requires a constant flow of clean air to operate efficiently and safely. This is where the engine air filter plays its critical role.

• Function: The primary engine air filter acts as a barrier. Positioned inside a plastic air intake box near the front of the engine compartment, its job is to trap dust, pollen, sand, insects, leaves, soot, and other airborne contaminants before they can enter the engine's combustion chambers.
• Why Clean Air Matters: Engines operate by mixing fuel with air and igniting it. Unfiltered air carrying abrasive particles acts like sandpaper on critical internal components: cylinder walls, piston rings, and valve stems. This causes accelerated wear, potentially leading to decreased compression, oil consumption, and ultimately, expensive engine repairs. Contaminants can also foul sensors like the Mass Air Flow (MAF) sensor, which measures incoming air volume and is vital for correct fuel mixture. A clogged air filter starves the engine of the air it needs, forcing it to work harder, reducing power and efficiency.
• Location: Typically, you'll find the Forte's air filter housed in a rectangular or slightly trapezoidal black plastic airbox on the passenger side of the engine bay. The cover is secured with metal clips, screws, or sometimes a combination. A large intake hose usually connects the box to the engine's throttle body.

Why Regular Replacement is Non-Negotiable

Ignoring or delaying your Kia Forte air filter replacement is detrimental to both your wallet and the vehicle's long-term health.

• Impact on Performance and Fuel Economy: A progressively clogged filter restricts airflow. Your engine's computer compensates for the reduced oxygen by injecting more fuel to maintain combustion, leading directly to reduced miles per gallon (MPG). According to the U.S. Environmental Protection Agency (EPA), a severely clogged filter can reduce acceleration performance and increase fuel consumption noticeably. You might feel the engine hesitate or struggle more during acceleration or when going uphill.
• Engine Protection: The filter media acts as a physical shield. When it becomes saturated with dirt or damaged, larger, more abrasive particles bypass it, entering the intake system. These particles cause micro-scoring on cylinder walls, wear on piston rings and valves, and can contaminate engine oil faster. This internal wear reduces engine life expectancy. Damage is cumulative and often silent until problems become significant and expensive.
• Preventing Sensor Damage: Debris passing a failed filter can deposit on the sensitive wire or film of the Mass Air Flow Sensor located downstream in the intake hose. Contaminated or damaged MAF sensors send incorrect readings to the engine computer, causing incorrect fuel mixture (running too rich or too lean), rough idling, hesitation, poor cold starts, and potentially triggering the Check Engine Light. Cleaning or replacing a MAF sensor costs significantly more than a simple air filter change.
• Dealership vs. DIY Savings: Dealerships charge for parts and labor. Replacing the Kia Forte air filter is one of the most labor-intensive tasks on a standard maintenance schedule. Expect to pay $45-$85 or more for the filter plus $50-$100+ in labor at a dealership or shop. Purchasing a quality replacement filter yourself costs between $15-$50, and the actual replacement time averages between 5-15 minutes with no special tools required. The DIY savings are substantial.

Identifying the Correct Air Filter for Your Kia Forte

Kia Forte models span several generations and engine options. Using the correct part ensures proper fitment, sealing, and performance. Never assume filters are interchangeable across years or trims.

• Model Year Differences: The engine air filter location is typically similar across generations, but part numbers change due to airbox redesigns.
  • 2011-2013 (RD Generation): Different airbox than later models.
  • 2014-2018 (YD Generation): Updated design.
  • 2019-Present (BD Generation): Current design used on all trims, though placement varies slightly between standard and high-performance engines. The 2024 Forte uses the same air filter system as the 2019-2023 models.
• Trim Level & Engine Type: The primary distinction is engine size:
  • Standard Engines (1.8L, 2.0L, 2.0L MPI, Nu 2.0L): Found on LX, LXS, FE, EX, S, GT-Line trims. These usually share the same filter.
  • High-Performance Engines (1.6L Turbo GDI): Found exclusively in the Forte GT trim (since 2020). The turbo engine has a distinct airbox designed for higher airflow, requiring a different filter shape and size. Using a standard filter in a GT, or vice versa, will not fit or seal correctly.
• Finding Your Specific Part Number:
  1. Owner's Manual: Your Forte's manual contains the recommended replacement interval and lists the specific Kia OEM part number.
  2. VIN (Vehicle Identification Number): Your VIN, found on the driver's side dashboard or door jamb sticker, is the most accurate identifier. Many online retailer part finders require it. Dealership parts counters will ask for it.
  3. OEM vs. Aftermarket: Kia Genuine filters (OEM - Original Equipment Manufacturer) are designed to exact specifications. High-quality aftermarket brands (like Fram, Purolator, WIX, Mann-Filter, K&N, AEM) offer excellent replacements and often better value. Ensure the aftermarket filter explicitly lists compatibility with your exact Forte year and engine/trim. Some aftermarket options, like washable performance filters, require special consideration (discussed later).
• Common OEM Part Numbers (Use as a starting point, but ALWAYS VERIFY):
  • 2014-2018 Forte (YD Gen): 2.0L Engine: 28113-2G000
  • 2019-2024 Forte (BD Gen): 2.0L MPI / Nu 2.0L (LX, LXS, FE, EX, S, GT-Line): 28113-C5000 (Double-check recent years as revisions occur)
  • 2020-2024 Forte GT (BD Gen): 1.6L Turbo GDI: 28113-2GA00 (This is distinct!) Earlier GT models (like the 2014-2018) may use different numbers.
• Air Filter Box Access: Most Kia Forte air filter boxes have a prominent symbol of a rectangular filter element with airflow arrows molded into the plastic housing itself or a printed sticker on the lid. The arrows clearly indicate the direction the filter is installed – this direction is critical. They point toward the engine, showing the airflow path from outside, through the filter, and into the engine. Reversing the filter can cause unfiltered air to bypass the media.

The Step-by-Step DIY Replacement Guide

Replacing the Kia Forte air filter is remarkably straightforward. Follow these steps carefully.

• Gather Tools & Materials (You likely have these):
  • New Air Filter: The correct one for your year and engine (confirmed!).
  • Clean Work Area: Park your Forte on level ground, apply the parking brake firmly, and turn the engine off. Allow the engine to cool slightly if it was recently running.
  • Safety Glasses: Optional but recommended to prevent debris from falling into your eyes when removing the old filter.
  • Flashlight: Helpful for inspecting the filter box interior and ensuring no debris falls in during the swap.
  • Clean Cloth/Rag: For wiping out any loose debris inside the airbox housing.
• Detailed Replacement Process:
  1. Locate the Airbox: Pop the hood. Locate the large black plastic air filter housing on the passenger side of the engine bay. Trace the large intake tube connected to it leading toward the engine.
  2. Identify the Cover Fasteners: Examine the top cover of the airbox. Identify the clips or screws holding it shut. Common Kia fastener types:
     • Metal Wire Clips: Found on many years/models. Press the raised center section firmly downward while pulling the clip outward to release it. Older clips sometimes require squeezing the sides inward.
     • Plastic Finger Clips: Later models (especially BD Gen) often use simpler plastic tabs. Lift the tab to release it. There are typically 2-4 clips/screws total.
     • Screws: Less common on Fortes, but some older models or trims may use simple Phillips head screws on one side. Remove these completely and keep safe.
  3. Open the Airbox Cover: Release all fasteners. Carefully lift the top cover straight up. It may be connected to the lower housing on one side by flexible plastic hinges or alignment posts. Don't force it. On models with a connected lid, gently hinge it open toward the engine.
  4. Remove the Old Filter: Lift out the old air filter. Observe its orientation – note which way the airflow arrows were pointing (they face the engine). Before discarding, inspect it visually. Hold it up to a light source. If light barely passes through, it's heavily clogged. Look for excessive dirt accumulation and check for any tears, holes, or collapsed pleats that indicate failure. Compare its condition to the new filter for reference.
  5. Clean the Airbox Housing: Use your flashlight to inspect the interior of the lower airbox housing. Crucially: Ensure the engine intake tube opening is CLEAR of any debris. Use the clean cloth to gently wipe out any loose dirt, leaves, or debris from the bottom of the housing. Be extremely careful not to push debris deeper into the intake tube. Never use compressed air near the open housing while the air filter is removed, as this risks blowing contaminants into the engine intake.
  6. Install the New Filter: Place the brand new air filter into the lower housing compartment. This is VITAL: Orient it EXACTLY as the old one was removed. The airflow arrows on the filter MUST point toward the engine (the side connected to the intake tube). Ensure the filter sits flush and flat within the designated space. Its edges must seal evenly against the housing rails. Gently press down around the filter perimeter to ensure full seating.
  7. Reclose the Airbox Cover: Lower the top cover carefully back onto the lower housing, ensuring it aligns correctly with any posts or lips. Make sure the cover sits evenly and flat. Press the cover down firmly around all edges.
  8. Re-engage Fasteners: Secure the cover by re-clipping or re-screwing all fasteners in their original positions. For metal wire clips, push the base firmly into place until the clip snaps securely over the cover lip – you should hear/feel a definite click. For finger clips, push them down firmly until they lock. Double-check that all fasteners are securely fastened. The cover must be airtight to prevent unfiltered air leaks.
  9. Final Check: Visually inspect to ensure the cover is fully closed and latched on all sides. The intake tube connections should remain undisturbed. Start the engine and let it idle for a minute – listen for any unusual suction noises or whistling near the airbox, which could indicate a poor seal. A normal smooth idle confirms a successful installation.
• Safety Precautions:
  • Avoid MAF Sensor Contact: If you need to move sensors or wiring harnesses aside to access the airbox, handle connectors and the MAF Sensor itself gently by its connector only. Never touch the delicate wire or film sensor element inside the MAF sensor housing located in the intake tube. Oil from skin or physical contact can contaminate or damage it, requiring cleaning or replacement.
  • Avoid Intake Tube Entry: Be mindful not to drop tools, screws, rags, or any foreign objects into the open air intake tube while the air filter is out. Serious engine damage can result if an object is sucked into the engine.
  • Torque Specs Not Usually Required: Airbox clips require firm hand pressure only. Screws, if present, only need to be snug; overtightening risks cracking the plastic housing.

Choosing the Best Replacement Air Filter

Selecting a quality filter is as crucial as installing it correctly.

• Types of Air Filters:
  • Standard Disposable Paper Media: The most common type. Composed of precisely pleated cellulose or synthetic fiber paper. Offers excellent filtration efficiency for dirt and dust particles at a low cost. Reliable and designed to be replaced at regular intervals. Best for everyday driving and owners prioritizing affordability and OE-standard performance.
  • Premium Synthetic Media: Similar construction to standard paper but using advanced synthetic fibers. Can offer slightly higher dirt-holding capacity and potentially a longer service life in very dusty environments. May provide marginally increased airflow while maintaining filtration, though gains over a clean paper filter are usually minimal for street use. Costs moderately more than basic paper filters.
  • Oiled Gauze/Cotton Performance (e.g., K&N): Washable and reusable filters (K&N style). Feature layered cotton gauze held in a wire mesh frame, saturated with special red oil. Marketed for increased airflow and slight power gains. Critical Considerations for Kia Forte:
    • MAF Sensor Contamination Risk: The oil coating can gradually migrate from the filter media into the intake system, contaminating the delicate MAF sensor. Contaminated sensors cause drivability issues and Check Engine Lights. Cleaning the sensor becomes frequent maintenance, negating ease-of-use benefits.
    • Filtration Efficiency: Typically, they allow smaller particles to pass compared to high-quality paper or synthetic filters. Long-term engine protection may be reduced.
    • Real-World Gains: Measurable power gains on stock Forte engines (especially non-turbo models) are negligible, often under 1-2 horsepower. Benefits are more pronounced on heavily modified engines.
    • Maintenance: Requires periodic cleaning and re-oiling (cleaning kits sold separately). Over-oiling is a common problem leading to MAF issues. Under-oiling reduces filtration.
    • Warranty Concerns: Using these filters will not automatically void your Kia powertrain warranty. However, if an engine failure occurs and Kia can demonstrate the non-OEM filter allowed contaminants to enter and cause damage, they could deny warranty coverage related to that specific failure. Requires careful maintenance diligence.
• Recommendations: For the vast majority of Kia Forte owners performing standard commuting or family driving, a high-quality paper or synthetic disposable filter from a reputable brand like Purolator ONE, WIX, Mann-Filter, or Fram Ultra Synthetic offers the best balance of protection, value, low risk, and simplicity. OE Kia Genuine filters are also an excellent, if slightly more expensive, choice. Reserve oiled gauze filters only for modified performance applications where the owner understands and accepts the additional maintenance requirements and risks. Always consult your owner's manual for filter specifications and warranty information.

Maintenance Schedule: When to Replace Your Kia Forte Air Filter

Don't rely on guesswork; follow structured guidelines.

• Kia's Official Recommendation: Kia typically specifies air filter replacement every 15,000 miles or 12 months under normal driving conditions. Always defer to the specific interval listed in your Forte's Owner's Manual, as it is the definitive guide for your vehicle. It's often included in the "Normal Maintenance Schedule" section.
• Factors Requiring More Frequent Replacement: The "Severe Conditions" or "Severe Service" schedule often recommends replacement every 7,500-10,000 miles. Your Forte falls under Severe Conditions if you frequently drive in:
  • Heavy Stop-and-Go Traffic: Constant idling and low-speed operation reduces engine vacuum, potentially pulling in more dust near ground level.
  • Very Hot Weather: Air is often drier and dustier.
  • Dusty or Sandy Conditions: Driving on unpaved roads, near construction sites, desert regions, or areas with industrial pollution drastically accelerates filter clogging.
  • Heavy Engine Loads: Towing trailers, constant hill climbs, or extensive high-RPM driving increases air consumption.
  • Heavy Smoke or High Pollen Areas: These environments quickly load filters with particulates.
• Visual Inspection is Key: Regardless of mileage, physically inspect the filter at every oil change or tire rotation (every 6 months/6,000-7,500 miles is practical). Remove it and hold it up to a bright light source. If you cannot easily see light passing through the majority of the filter pleats, it needs replacing, regardless of the mileage or time interval. Significant visible dirt accumulation, especially blocking large portions of the surface, means it's time for a new filter.
• Symptoms Indicating Need for Replacement: While inspection is primary, be aware of performance signs:
  • Noticeably reduced fuel economy
  • Hesitation or lack of power during acceleration
  • Engine running rougher than usual, especially at idle
  • A Check Engine Light related to MAF sensor or fuel mixture (P0171 System Too Lean, P0172 System Too Rich – though these codes often have other causes too)

Cost Considerations: DIY vs Professional Installation

The financial advantage of DIY air filter replacement on a Kia Forte is undeniable.

• Parts Cost Breakdown:
  • Basic Paper Filter: $12-$20 (Fram, Purolator basic line)
  • High-Quality Synthetic Filter: $20-$35 (Purolator ONE, WIX XP, Fram Ultra Synthetic, Mann-Filter CUK)
  • OE Kia Genuine Filter: $35-$55 (from dealership parts counter – often the same manufacturer as OE supplier like Mann or Mahle).
  • Washable Performance Filter (K&N style): $50-$80 (plus cleaning kit ~$15)
• Labor Costs: Dealerships and independent repair shops charge labor based on time, often using a "book rate." While the actual time to replace the filter is only 5-15 minutes, shops typically charge a minimum labor increment (e.g., 0.3 hours = 18 minutes). Shop labor rates vary significantly by region and type of shop:
  • Dealership Labor Rate: $125-$200+ per hour
  • Independent Shop Labor Rate: $90-$150 per hour
• Total Cost Comparison:
  • DIY (Premium Filter): $25-$35 (filter only, no labor)
  • Shop (Premium Filter): $25-$35 (parts) + ($90/hr\ast 0.3hrs)=\ast \ast$25-$35+$27-$45=$52-$80**
  • Dealership (OE Filter + Labor): $45-$55 (filter) + ($150/hr\ast 0.3hrs)=\ast \ast$45-$55+$45-$60=$90-$115**
• DIY Savings: Doing the job yourself saves $50-$100+ every single time your Forte needs a new air filter – money that adds up significantly over the life of the vehicle. The task requires common sense and minimal physical effort, not advanced mechanical skill. The tools needed are likely already in your garage. Purchasing parts online or from auto stores is simple. This consistent saving is achievable because the process itself is inherently straightforward, designed for owner access.

Troubleshooting Common Issues

Addressing potential problems ensures smooth operation.

• Check Engine Light After Replacement: Rare after a simple filter change but possible.
  • Cause 1: Unrelated Issue: It could be coincidental. Scan for diagnostic trouble codes (DTCs) at an auto parts store or with a basic OBD-II scanner. Common unrelated codes (e.g., P0420 catalyst efficiency) have nothing to do with the filter.
  • Cause 2: MAF Sensor Error: If codes like P0101 (MAF Performance) or P0171/P0172 (Lean/Rich System) appear shortly after replacement. Likely Cause: Dislodged or damaged MAF connector. Did you accidentally bump the wiring or sensor while working? Check the MAF sensor plug connection downstream in the intake tube. Ensure it clicked firmly. If the plug is secure and codes persist, contamination is possible.
  • Cause 3: Major Air Leak: If the airbox cover isn't fully seated or secured, allowing massive unfiltered air entry. Check that all clips are latched firmly and the cover is properly sealed.
• Poor Performance/Sluggishness After Replacement:
  • Filter Installed Backwards: This is the most common mistake. Airflow arrows on the filter MUST point toward the engine. Verify this immediately! Re-install correctly.
  • Damaged Filter Sealing Edge: Inspect the new filter. Is the sealing gasket intact? Is the filter distorted or damaged? Remove and reinstall carefully. Ensure it sits flat.
  • Large Air Leak: Confirm the airbox cover is fully secured and no large debris is preventing closure. Listen for sucking noises near the airbox when the engine runs. Reopen and close securely.
  • Coincidental Issue: Fuel pump failing, clogged fuel filter (if applicable), ignition issues (spark plugs/coils), etc., can manifest similarly but are unrelated to the filter itself. Performance decline unrelated to the filter change suggests another underlying problem needs diagnosis.
• Filter Doesn't Fit Properly:
  • Incorrect Part: Double-check you bought the filter specifically listed for your exact Forte year, model, and engine/trim (especially GT vs non-GT!).
  • Incorrect Year: Did you assume all Fortes use the same filter? Cross-reference the part number again using your VIN.
  • Damage During Shipping: Inspect the new filter for crushed or bent areas. Return it if damaged.
• Loose Clip:
  • Incorrect Fastening: Ensure you're engaging the clip correctly. Metal clips require pushing down firmly on the center before snapping over the lip. Finger clips need to be pushed down until they lock. Inspect the clip and the plastic lip it hooks onto for breakage. If broken, replacements are available from dealerships or parts stores.

The Forte GT: Special Considerations for the Turbocharged Model

The high-performance Forte GT demands attention to detail regarding its air intake system.

• Crucial Distinction: The 1.6L Turbocharged Gasoline Direct Injection (GDI) engine has significantly higher air intake requirements than the naturally aspirated 2.0L engines found in other Forte trims. Consequently, the airbox design is different – larger and often shaped differently to allow more airflow volume. This necessitates a physically different air filter element. Under no circumstances should you install the standard Forte LX/GT-Line filter into a Forte GT, or vice versa. It simply will not fit or seal correctly.
• Increased Importance of Clean Filters: Turbochargers operate at very high rotational speeds. Dust or debris ingestion causes turbo wheel blade damage, leading to imbalance, bearing failure, and expensive turbocharger replacement. Maintaining an exceptionally clean filter is paramount for protecting the turbo system. Inspect the GT filter more frequently, especially if tuned or driven hard.
• Performance Air Intake Systems: Many GT owners upgrade the entire airbox and intake tube to aftermarket "cold air intake" (CAI) kits. These kits usually include a cone-shaped performance filter.
  • Benefits: Can increase airflow (depending on design and filter type), potentially yielding small horsepower/torque gains (most noticeable on tuned vehicles), and alter engine induction sounds.
  • Considerations: Must be designed specifically for the BD generation Forte GT. Installation often requires tuning adjustments (piggyback or ECU flash) for optimal results and no issues. Quality varies – research reviews. Some poorly designed intakes can actually lose power ("heat soak"). Requires frequent filter cleaning. Always recalibrate MAF sensor parameters if required by the intake manufacturer. Ensure the kit maintains the critical air inlet resonator function to prevent compressor surge ("flutter" noise, which stresses the turbo) on manual transmission models. Check local emissions regulations regarding aftermarket intakes. Consult your warranty documentation.
  • MAF Housing Diameter: Performance intakes may use different MAF sensor housing diameters. Using an incorrect size throws off sensor readings without corresponding ECU tuning adjustment, causing performance issues and Check Engine Lights.

Beyond the Engine: The Kia Forte Cabin Air Filter

Remember, your Forte has two air filters requiring maintenance.

• Function: The cabin air filter cleans the air entering the passenger compartment through the HVAC (Heating, Ventilation, and Air Conditioning) system. It traps dust, pollen, mold spores, pollution particles (smoke, smog, soot), and even exhaust fumes before they reach the interior vents.
• Importance: Essential for maintaining good interior air quality, especially important for allergy sufferers, asthmatics, or anyone driving in polluted areas. A clogged cabin filter reduces airflow through the vents, making your AC and heater less effective. Musty smells inside the car often originate from a dirty, moldy cabin filter. Like the engine filter, replacing it regularly improves system efficiency and comfort.
• Location & Replacement: Typically located behind the glove compartment. Replacement intervals are often shorter than the engine filter – usually every 15,000 miles or 12 months, sometimes more frequently (like every 7,500 miles in dusty/polluted areas). Replacement is usually straightforward (slightly more involved than the engine filter but still DIY-friendly – search for a "Kia Forte Cabin Air Filter" guide). Always verify the correct part number as cabin filter designs can also change between model years.

Environmental Responsibility & Cost-Effectiveness

Properly maintaining your Kia Forte's air filters contributes to both environmental protection and personal savings.

• Fuel Efficiency Impact: A clean engine air filter ensures the engine breathes easily, operating at its designed efficiency. As the EPA highlights, replacing a severely clogged filter can improve fuel economy by several percentage points. For a Forte averaging 30 MPG, a 3% improvement (less than 1 MPG gain) saves roughly 1 gallon of gasoline every 1,000 miles. Over 10,000 miles, that's 10 gallons saved – reducing CO2 emissions by approximately 200 pounds. While gains are modest per tank, multiplied across millions of vehicles, the cumulative effect on fuel consumption and emissions is substantial.
• Engine Longevity: Protecting the engine from abrasive dust contamination extends its service life significantly. Avoiding premature wear on cylinders and rings means fewer engine replacements and major repairs down the road. This conserves raw materials and energy associated with manufacturing and rebuilding engines. It directly saves owners thousands of dollars in avoided major repairs.
• DIY Waste Reduction: Disposing of one small paper filter periodically has minimal landfill impact compared to the resource use avoided by extending vehicle life. Choosing recyclable filter materials and proper disposal aligns with environmental responsibility.
• The Clear Financial Win: By performing this 5-15 minute task yourself every 15,000-30,000 miles, consistently saving $50-$100 each time, you retain significant funds over the lifetime of your Forte ownership. The cost-benefit ratio of DIY engine air filter replacement is overwhelmingly positive. The simple process and minimal investment in tools make it accessible to virtually every owner.

Conclusion: Empowerment Through Simple Maintenance

Replacing your Kia Forte's air filter epitomizes cost-effective, owner-accessible vehicle maintenance. This guide has equipped you with the precise knowledge and step-by-step process to handle this critical task confidently. Understanding which filter your specific model requires, locating the airbox, correctly swapping the filter (paying close attention to airflow direction and securing the lid), and knowing the maintenance schedule empowers you to optimize your car's performance, protect its engine investment, save money consistently, and contribute positively to its environmental footprint. Avoid relying on dealership schedules for such straightforward tasks; take control. Prioritize visual inspections alongside mileage-based changes, especially if you drive in demanding conditions. Invest in quality disposable filters for optimal protection and reliability or understand the commitments involved with washable performance options. Maintain both your engine and cabin air filters for a comprehensive approach to vehicle health and interior comfort. Make replacing your Kia Forte's air filter a cornerstone of your proactive ownership strategy. It's simple, vital, and keeps your Forte running at its best for miles to come.