GM Duramax 6.6L Down-pipe (2004.5-2010)

Vehicle Fitment

This 3" 2004.5-2010 Duramax Downpipe is specifically designed for 2004.5-2010 Chevrolet Silverado and GMC Sierra 2500/3500HD models with the 6.6L Duramax engine. This ensures it is tailored for high-performance upgrades in compatible pickups.

However, it will not fit Cab & Chassis trucks.

Key Benefits

• 3" stainless steel piping for durability
• 20% improved exhaust flow for better performance
• Heat-wrap included to lower engine bay temperatures
• Emissions-friendly design for hassle-free use
• Ideal for competition applications or heavy-duty use

Enhanced Features OF 2004.5-2010 Duramax Downpipe

This downpipe offers a 20% improvement in exhaust flow over the factory pipe, providing you with a notable performance boost. Its stainless steel construction ensures durability, even under extreme conditions. The included heat-wrap helps retain heat within the exhaust system, reducing engine bay temperatures and keeping performance optimized. Additionally, the downpipe does not interfere with your emissions system, meaning you can enjoy the benefits without worrying about compliance.

Performance Improvement

By upgrading to this 3" turbo downpipe, you will immediately notice an increase in exhaust flow out of the turbo. This smoother airflow helps reduce exhaust gas temperatures (EGTs), which allows your engine to operate more efficiently, especially during heavy towing or competitive use. The enhanced flow improves your vehicle's performance, giving it an edge in power output.