Maximum Performance S&B cold air intake for the 2004-2005 Chevy / GMC Duramax LLY 6.6L was engineered to minimize air restriction and flows 44.63 percent better than stock.
This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat.
Protect Your Engine. This kit comes with a massive, highly-efficient air filter which results in better performance and protects Your engine.
Available in either 8-layer Cotton Cleanable or Dry Extendable media.
Million Mile Warranty - S&B Air Filters and Intake Kits purchased from Authorized dealers are backed by S&B's Million Mile Limited Warranty. Only when used under the typical driving conditions and on vehicles or which they were designed. If one of S&B products is not performing properly or is defective, S&B will replace it.
Breath Easy. Your Engine and warranty are protected - Installing a S&B Intake Kit or Air Filter will not void Your vehicles warranty, as long as you properly install and maintain Your intake kit or filter.