MBRP 3in Black Turbo Downpipe 2011-2015 GM 6.6L Duramax LML CARB Legal
Regular price
$358.22
Verified Fitment & Application Support
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.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The MBRP GMCA427 is a CARB-compliant 3-inch turbo downpipe for the LML Duramax, finished in high-heat satin black. Because it carries a CARB Executive Order it stays street legal in California and other states that follow 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 for accurate alignment
- Direct fit replacement, no modifications required
- Carries a CARB Executive Order number
Fitment
2011-2015 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD with the 6.6L Duramax LML. Not compatible with the 3-bolt flange connection used on 2015.5 and later trucks.
Product Details
- Manufacturer Part Number: GMCA427
- Brand: MBRP
- Component: Turbo downpipe
- Tubing Size: 3 inch
- Material: Black-coated aluminized steel
Shipping Height: 8.0
Shipping Length: 22.4
Shipping Width: 13.5