Sinister Diesel - CAT Back Single for Duramax

Exhaust Systems / Manifolds for Duramax - CAT Back Single for Duramax

Improve the Look

Sinister Diesel’s has Cat Back single exhaust kits for your Duramax diesel. Whether you prefer stainless or aluminized steel, 4” or 5” exhaust, 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 Cat Back single exhaust kit is one of the easiest ways to enhance its overall performance. An aftermarket exhaust allow 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 current Cat Back exhaust with an aftermarket exhaust kit will also give you that smooth, deep resonant sound that every diesel truck owner desires.

Why Buy Your Cat Back Single Exhaust from Sinister?

We have a wide selection of Cat Back single exhaust kits to choose from, and each is backed by free, live technical support and our Sinister guarantee. So pick your kit and start enjoying everything that comes with a performance exhaust kit!

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