2017-2025 Duramax 6.6L 4" Polar Exhaust
2017-2025 Duramax 6.6L 4" Polar Exhaust - No Muffler 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.
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Shipping expectations
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Returns and cancellations
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What’s included
What’s included
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2017-2025 Duramax 6.6L 4" Polar Exhaust
2017-2025 Duramax 6.6L 4" Polar Exhaust - No Muffler 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
2017-2025 Duramax 6.6L 4" Polar Exhaust
Polar Diesel exhaust kits are designed to concur the elements, made from T409 Stainless Steel, our kits provide the quality your truck deserves. Our exhaust systems are designed with a hassle free, easy installation in mind! Featuring precise pre-bent exhaust hangers, stainless lap joint clamps and precise flanges, you can expect excellent fit & finish. With all of our exhaust systems you can count on reduced EGTs, improved fuel mileage, proper exhaust flow and of course increased horsepower and torque!
Features
- Single Side Exit
- Easy installation
- No Bungs
- Stainless lap joint clamps
- Pre-bent exhaust hangers
- 4” Downpipe back exhaust
Fitment
- 2017-2025 Chevrolet/GMC Duramax 6.6L L5P
- This exhaust will only fit models with the OEM style 4-bolt flange off the downpipe
- Fits crew cab - short/long/dually
- Must be modified to fit regular cab models
- Depending on Box & Cab configuration, one cut will need to be made for exhaust systems optioned with a muffler.
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