MBRP 3in Black Turbo Downpipe 2001-2004 GM 6.6L Duramax LB7 CARB Legal
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
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The MBRP GMCA425 is a CARB-compliant 3-inch turbo downpipe for the LB7 Duramax, finished in high-heat satin black. The CARB Executive Order keeps it street legal in California and other states following CARB emissions rules.
Key Features
- 3-inch mandrel-bent tubing off the turbocharger outlet
- Black-coated aluminized steel with a high-heat satin black finish
- CNC machined flanges
- Direct fit replacement
- Carries a CARB Executive Order number
Fitment
2001-2004 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD with the 6.6L Duramax LB7.
Product Details
- Manufacturer Part Number: GMCA425
- Brand: MBRP
- Component: Turbo downpipe
- Tubing Size: 3 inch
- Material: Black-coated aluminized steel
Shipping Height: 6.2
Shipping Length: 23.9
Shipping Width: 8.3