MBRP T409 Stainless Steel, 4" Dowpipe-Back Single Side Exit - No Muffler for 2001-2004 Chevrolet/GMC 2500/ 3500, EC/CC, 6.6L Duramax - S6005SLM
- T409 Stainless Steel, 4" Dowpipe-Back Single Side Exit - No Muffler
- Fitment: 2001-2004 Chevrolet/GMC 2500/ 3500, EC/CC, 6.6L Duramax
- Construction: T409 stainless steel for corrosion resistance and durability
- Pipe diameter: 4-inch mandrel-bent tubing for smooth flow
- Exit configuration: Single-exit design
- MBRP Armor Plus series finish and build quality
- Improved exhaust flow over the restrictive factory system for better sound and efficiency
- Backed by an MBRP 5-Year warranty
- Professional installation recommended; verify fitment against your exact model and configuration before ordering
Description
The MBRP T409 Stainless Steel, 4" Dowpipe-Back Single Side Exit - No Muffler is engineered for the 2001-2004 Chevrolet/GMC 2500/ 3500, EC/CC, 6.6L Duramax. It's a T409 stainless steel muffler that replaces the restrictive factory setup with a cleaner, higher-flowing design.
Key details include T409 stainless steel construction, 4-inch mandrel-bent tubing, a single-exit layout, and MBRP's Armor Plus series finish. Dimensions and included components match the MBRP factory specification for this part number.
This system is a solid pick for owners who tow, haul, or drive daily and want better exhaust flow, a stronger tone, and long-term corrosion resistance without a fabricated one-off setup.
Confirm fitment against your exact application before ordering. Professional installation is recommended to ensure correct clearance and alignment.
Backed by an MBRP 5-Year warranty, it's a dependable upgrade or replacement for the factory part.
Shipping Information
- Item Requires Shipping
- 69.0 lbs.
- W16.5000” x H15.0000” x L47.5000”
- Free Shipping
Customer Reviews
Total Reviews (0)
You must login to post a review.

Write the First Review!