15% Off Sinister Diesel Parts - Use Code SD3321 at Checkout
Improve the Look
Sinister Diesel’s has exhaust stacks for your Duramax diesel. Whether you prefer stainless or aluminized steel, 4” or 5” diameter, we have exactly what you are looking for and carry top brands like Flo-Pro and MBRP.
Enhance the Performance
Upgrading your diesel truck’s stock exhaust with an aftermarket exhaust is one of the easiest ways to enhance its overall performance and by converting your stock exhaust into stacks will assist in allowing your Duramax engine to breathe more efficiently leading to a drop in exhaust gas temperatures and a boost in horsepower and torque.
Deepen the Sound
Replacing your stock exhaust with aftermarket stacks will help give you that smooth, deep resonant sound that every diesel truck owner desires.
Why Buy Your Exhaust Stacks from Sinister?
We have a wide selection of exhaust stacks to choose from, and each is backed by free, live technical support and our Sinister guarantee. So pick your exhaust stacks and start enjoying everything that comes with a performance exhaust kit!