Upgrade your Chevrolet or GMC 6.6L L5P Duramax engine with the Wehrli 3.5" Performance Exhaust Down Pipe. Designed for models from 2017 to 2025, this down pipe replaces the standard factory pipe for enhanced exhaust flow and efficiency.

The Wehrli 3.5" Down Pipe features a high-temperature black ceramic coat and is pre-equipped with a heat wrap, making it both durable and efficient in heat management. This component connects seamlessly to the DOC outlet flange behind the OEM turbo, effortlessly mating with your existing OEM exhaust system using the reliable 4-bolt flange connection. The down pipe also includes integrated bungs for sensors, removing the need for tuning adjustments, ensuring a straightforward installation without any need for modifications. For optimal performance, pairing this with WCFab piping kits and emissions-compliant tuning is recommended. Made in the USA, this down pipe not only boosts performance but aligns with emissions compliance standards.

Features

• 3.5" High Flow Down Pipe
• High Temp Black Ceramic Coat Finish
• Pre-installed Black Heat Wrap
• Seamless connection to OEM Turbo and Exhaust System
• No tuning required
• Includes sensor bungs
• Emissions Compliant
• Made in the USA

Whether you're a seasoned auto enthusiast or just beginning to explore customizations for your vehicle, the Wehrli 3.5" Down Pipe offers reliable performance improvements. With installations and customization services available at both our Austin, Texas and Los Angeles, California locations, we are ready to assist you. If you have any questions, feel free to call us at 512-982-9393 (TX) or 562-981-6800 (CA). Additionally, if you're considering ordering multiple items, please contact us for possible shipping discounts. We also offer installation services on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov