GM Duramax LMM Down-pipe Back Exhaust System (2007.5-2010) - 4-inch
$652.99
$459.99
– 4" Downpipe-Back Race Exhaust for 2007.5-2010 GM Duramax LMM
Unleash the full potential of your 2007.5-2010 Chevrolet Silverado & GMC Sierra 2500 & 3500HD with our 4" Downpipe-Back Race Exhaust. Specifically designed for the 6.6L Duramax LMM engines, this system starts at the downpipe, facilitating the removal of the catalytic converter and DPF filter, making it perfect for off-road applications.
Important Notes:
- Requires Race Tuning: Proper tuning is necessary to ensure optimal performance and to manage the removal of emission controls safely.
- For Off-Road Use Only: This exhaust is intended for off-road applications and may not comply with emissions regulations for street use.
Elevate your Duramax’s performance with our 4" Downpipe-Back Race Exhaust, designed to deliver significant power gains and a more aggressive exhaust note for the serious off-road enthusiast.
Quantity
Vehicle fitment
For 2007.5, 2008, 2009, and 2010 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Not suitable for Cab & Chassis models.
Product features
Features:
- 4" Stainless Steel Piping: Constructed from high-quality stainless steel for durability and corrosion resistance.
- Downpipe-Back System: Extends from the downpipe to the tail, allowing for a complete overhaul of the stock exhaust system.
- OE Style Hangers: Simplifies installation, aligning with factory mounts for a secure fit.
- Maximum Flow: Optimized for competition use, this exhaust system ensures maximum flow for enhanced performance.
- No Bungs: Streamlined design free from sensor bungs to minimize restriction and maximize flow.
- Fuel Efficiency: Helps to improve fuel economy by reducing exhaust backpressure and enhancing engine efficiency.
- Customizable: Option to add a 4" muffler to adjust sound and backpressure according to your preferences.
