CORSA Performance
Chevrolet GMC Duramax 4.0 Inch Diesel Muffler Upgrade Kit Sport Sound Level Corsa Performance
SKU: C009 8004000
Description
Part #: 8004000
Corsa Performance Chevrolet, GMC Duramax (6.2L, 6.5L, 6.6L) Diesel 4.0 inch Muffler UpgradeVehicle FitmentChevrolet 4.0 inch Diesel Muffler Upgrade- Fits all (6.2L, 6.5L, 6.6L) exhaust systemsGMC 4.0 inch Diesel Muffler Upgrade-A Fits all (6.2L, 6.5L, 6.6L) exhaust systemsDetails:4.0 inch Muffler Upgrade Kit (Features 4.0 inch Expanded Inlet and Outlet with Clamps)Muffler Material:304 Stainless SteelCase Shape: RoundInlet Diameter: 4.0 inchInlet Location:CenterOutlet Diameter:4.0 inchOutlet Quantity: OneCase Length: 23.25 inchCase Diameter:9.62 inchOverall Length:27.5 inchSPORT Sound LevelHigh Performance Sound.Distinct Rumble at Idle.Aggressive Sound Through The Gears.Most Popular Sound Level.All CORSA exhaust systems are constructed from premium stainless steel to deliver lasting performance, sound and appearance. Easy bolt-on installation. No welding needed. All hardware and detailed instructions are included in each kit. Proudly Designed, Engineered and Manufactured in Berea, OHCORSA branded exhaust systems are backed by a Limited Lifetime warranty for as long as you own your vehicle with proof of purchase.Note: Every CORSA exhaust system is engineered and designed to match the unique properties of the vehicle it is designed for to deliver perfect fitment and performance. CORSA does not recommend or recognize purchases and installation on unspecified vehicles.
6.2L Duramax Muffler Upgrade Kit Center In | Center Out Sport Sound Level
Fitment
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Specifications
| Brand | CORSA Performance |
| Part Number | C009 8004000 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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