2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Intercooler Pipes & Intake Accessories

Upgrading the factory intercooler tubes equipped on your 2001-2004 GM 6.6L Duramax is a great way to promote improved engine efficiency and horsepower without a ton of hassles down the road. Here at Alligator Performance, we carry a ton of aftermarket intercooler pipes that work overtime to ensure your engine is maintaining consistent and reliable operation. Each one of these upgrades is built much stronger over your stock components giving you more peace of mind through extreme driving applications such as towing and off-roading. Pair these new intercooler upgrades with some additional Engine Upgrades or Turbo Upgrades to further set your Sierra/Silverado apart from the rest of the pack. GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.