This intake kit is designed for 2004.5 - 2005 GMC/Chevrolet HD models with a 6.6L Duramax engine. Replace the restrictive factory intake with Wehrli's high - quality fabricated aluminum intake and air box enclosure. It boosts horsepower, torque, offers quicker throttle response, and lowers intake temperatures, greatly enhancing overall diesel engine performance. Part Number: WCF100191. Features include a 4' intake pipe, 14g aluminum construction, an air box with a lid, a dry air filter, an Outerwear's pre - filter cover, installation hardware, silicone boots, stainless steel T - bolt clamps, an O - ring seal, a custom powder coat finish. It's easy to install with basic hand tools and is made in the USA. Please note, this product is not on order and the estimated average lead time is 10 - 15+ business days.






































Using this intake kit is a breeze. First, gather your basic hand tools. Remove the restrictive factory intake from your 2004.5 - 2005 GMC/Chevrolet HD with a 6.6L Duramax engine. Then, install the fabricated aluminum intake and air box enclosure included in the kit. Use the provided installation hardware, silicone boots, and stainless - steel T - bolt clamps to secure everything in place. The dry air filter and Outerwear's pre - filter cover help keep dirt and debris out. As for maintenance, check the air filter regularly. If it gets dirty, you can clean or replace it as needed. The O - ring seal ensures a tight fit, but also inspect it occasionally for any signs of wear. Remember, this product is not on order, so expect a lead time of 10 - 15+ business days.