




If your Ram has slowed throttle response, reduced fuel efficiency, or you’re simply performing scheduled maintenance, this SPEARHEAD air filter is built to be a simple swap-in that delivers cleaner intake air and extended service intervals. The Max Thrust design uses layered media and a shaped pleat pattern to trap more particulates without choking airflow, letting the engine breathe more freely for up to 15,000 miles between changes when used under typical driving conditions.
By maintaining higher airflow while capturing fine dust and debris, the Max Thrust filter reduces the effort your engine needs to draw air. That improves throttle response and can help restore fuel efficiency lost to a clogged or aging filter. The structure balances filtration with free passage of air so the engine doesn’t work harder than necessary.
The MT-261 is manufactured to OEM dimensions for Ram 2500/3500 models with 6.7L inline-six Cummins (2007–2023 variants listed) and 6.4L V8 (2019–2023). Installation is a straightforward, do-it-yourself maintenance task that requires no special tools—typically a quick air box cover removal and filter swap.
Under normal road and highway use the filter is designed to perform effectively for up to 15,000 miles, delivering stable airflow and high dust-holding capacity throughout that interval. Severe off-road, dusty agricultural, or construction conditions may shorten the recommended service interval, so monitor the filter condition more often in harsh environments.
SPEARHEAD focuses on media structure and pleat design to maximize contaminant capture without sacrificing airflow. The Hex-D pleat arrangement increases usable surface area and combined multi-layer filter media progressively traps larger to finer particles, offering improved capacity over many basic filters on the market.
Who is this for: Drivers and technicians who own Ram 2500 or 3500 trucks with compatible 6.7L or 6.4L engines and want an affordable, easy-to-install replacement that emphasizes higher dirt-holding capacity and preserved airflow. It’s suited to pickup owners performing routine maintenance, fleet managers seeking consistent part fitment, and anyone aiming to maintain engine responsiveness without expensive performance modifications. Always confirm your vehicle year and engine option before purchase to ensure correct fitment.
Q: Is the MT-261 a direct OEM fit for my Ram 6.7L Cummins?
A: Yes. MT-261 is made to OEM dimensions for Ram 2500/3500 6.7L Cummins (listed model years); verify your vehicle year and engine before ordering.
Q: How often should I replace the SPEARHEAD Max Thrust filter?
A: Under normal driving replace up to every 15,000 miles; inspect more frequently in dusty or off-road conditions.
Free shipping across Canada on every order, with no minimum. Orders are processed within 1 business day and standard delivery across Canada usually takes 2 to 5 business days after processing, with tracking by email. See the shipping policy.
Free 30-day returns. You have 30 days from delivery to start a return. Return shipping is free: email us your order number and we send a prepaid label. See the return & refund policy.
Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.












