K&N 09-21 Dodge Ram 1500 V8 5.7L Performance Intake – Boost Barn IMPROVED ENGINE SOUND - HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed. Green Start Button on Transparent Background 17177734 PNG Intake Air K&N COLD AIR INTAKE FOR 2007-2009 DODGE RAM CUMMINS DIESEL 2500 3500 6.7L Kn Cold Air Intake Excellent for daily and highway driving. K&N™ 57-1557 Performance Air Intake System (07-09 Dodge Ram 2500/3500 6.7 Diesel). $367.99. 50 State Legal; High Flow Intake Tube; Washable High Flow Filter. In... DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are included with each intake system. Proudly designed and manufactured in the USA, this premium cold air intake system is specifically designed for your vehicle and is dyno tested to provide a guaranteed increase in horsepower. MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support. GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine. Compatible Vehicles: 2007-2009 DODGE Ram 2500 2007-2009 DODGE Ram 3500 HIGH-FLOW REUSABLE AIR FILTER: 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt & dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100k miles under normal highway conditions. BETTER TOWING: K&N Air intake kit improves acceleration and uphill performance when towing by improving throttle response, overall horsepower and torque.