Sinister Diesel - EGR Coolers & Components for Duramax
The stock EGR cooler that comes equipped on your GM Duramax engine can divert up to half of the exhaust into the intake to help reduce emissions during everyday driving. But when you’re demanding more power from your truck, the stock EGR system can hinder performance and become a liability by choking the engine or failing prematurely.
EGR Coolers and EGR Delete Kits for Chevy and GMC DuramaxIn the categories below you’ll find EGR solutions to upgrade or eliminate your factory-installed system. If you want your truck to emissions-compliant while getting the most reliable performance, choose one of our exact-fit, TIG-welded Sinister Diesel EGR Coolers. And for an absolute performance edge, check out our large selection of EGR Delete kits that remove exhaust restrictions, unlock the hidden power you need off-road.
See The Sinister Diesel DifferenceEach one of our Sinister Diesel EGR kits are designed and manufactured right here in the USA and comes guaranteed by the Sinister Lifetime Warranty. If you need help in choosing the right EGR kit for your Duramax diesel truck, or if you would like to talk to one of our on-staff diesel experts, you can reach us by phone, email, or through our convenient live chat. We’re always here to help you find what you need so let us show you the difference Sinister Diesel makes.
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The Duramax EGR cooler your diesel came with is vital to keeping it compliant with emissions regulations and street legal. But too often, weak construction and heat stress will turn your stock EGR...More Details »