2017-2023 Duramax 6.6L Polar Downpipe
2017-2023 Duramax 6.6L Polar Downpipe is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
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Returns and cancellations
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What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
2017-2023 Duramax 6.6L Polar Downpipe
2017-2023 Duramax 6.6L Polar Downpipe is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
2017-2023 Duramax 6.6L Downpipe
Polar Diesel downpipes are designed to concur the elements, made from T304 Stainless Steel, our kits provide the quality your truck deserves. Our downpipes are designed with a hassle free, easy installation in mind! With our downpipe you can count on reduced EGTs, improved fuel mileage, proper exhaust flow and of course increased horsepower and torque!
Features
- T304 Polish Stainless Steel
- Billet Machined Flange
- Heat Wrapped
- Easy Installation
Fitment
- 2017-2023 Chevrolet/GMC Duramax 6.6L L5P
- This exhaust will only fit models with the OEM style 4-bolt flange off the downpipe
- For 2020+ models, adjustments need to be made to the hanger
Payment & Security
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