2020+ GM 6.6L Duramax 304 Stainless Steel Four Inch Performance Exhaust Upgrade
This affordable exhaust upgrade kit boosts the performance and appearance of your 6.6L Duramax. It features a 4’’ elbow and a 5’’ polished or black exhaust tip that relocates the exhaust exit to the side of your truck. The premium 304 stainless steel material will never rust or fade. The no-weld, clamp-on installation can be done in minutes. All installation hardware is included.
- 304 Stainless Steel - fully polished exhaust tip, mandrel-bent tube, and band clamping
- Easy installation - minor cutting and no welding required
- Utilizes OEM’s high-flow 4” over-the-axle pipe, removes OEM’s restrictive 3” reducer pipe
- 5” diameter exhaust tip, 4” diameter elbow
- Improves exhaust flow and reduces backpressure
Installation Guide: 2020+ GM 6.6L Duramax 304 Stainless Steel Four Inch Performance Exhaust Upgrade