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Vehicle Info NeededCORSAPART NUMBER: 255-8004000
8004000 Sport Muffler Upgrade Kit GM Duramax Diesel 6.2L, 6.5L, 6.6L
$57099
4 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeGM
- Sport Muffler Upgrade Kit
- GM Duramax Diesel 6.2L, 6.5L, 6.6L
- Sport Sound Level
- 304 Stainless Steel
- Inlet/Outlet Diameter: 4 in.
- Center Inlet/Outlet
- Round Case: 23.250 in. L x 9.620 in. Dia.
- Overall Length: 27.500 in.
- Eliminates Drone
- 4 in. Non-Restricted Flow For Max Power
- Quick Turbo Spool-Up
- Reduced Backpressure And Lower EGTs
- No Packing Material Inside To Wear Out
- Expanded And Notched For Clamp-On Or Weld-In
- Limited Lifetime Warranty
Part TypeMuffler
BrandCORSA
Package Height12.25
Package Width15.0
Package Length35.25
Weight21.0 PG
Part CategoryPerformance Parts
QuantitySold individually
Overall Length27.5 in (698.5 mm)
Inlet LocationCenter
Case Length23.25 in (590.55 mm)
Case ShapeRound
Body Material304 Stainless Steel
Exit QuantityOne
Inlet Diameter4 in (101.6 mm)
Inlet QuantityOne
Case Outside Diameter9.62 in (244.348 mm)
Part FitmentDirect Fit
Vendor Part Number8004000
Package Qty1
Package TypeEA
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