4″ Exhaust DPF Delete | GM Duramax Diesel L5P 2017-2025 Rated 5.00 out of 5 based on 2 customer ratings (2 reviews) Ready to ship SKU: 21737 For off-road and race use only $569 – $1,066Price range: $569 through $1,066 Muffler Option Choose an optionNo MufflerWith Muffler Down-pipe Option Choose an optionNo Down-PipeWith Down-PipeClear 4" Exhaust DPF Delete | GM Duramax Diesel L5P 2017-2025 quantity Add to cart Add to Wishlist Add to Wishlist Proven power gains. Test bench. Real trucks. Real results. Tuned by diesel addicts. We drive what we sell. Installs like OEM. Hits like aftermarket. 100% fit. Maximum output. Fast shipping. Ready to ship from US warehouses. Please Note Shipping Emissions Compliance Disclaimer Add a review 4" Exhaust DPF Delete | GM Duramax Diesel L5P 2017-2025 Rating* 0/5 * Rating is required Your review * Review is required Name * Name is required Email * Email is required * Please confirm that you are not a robot Submit Cancel 5.0 Based on 2 reviews5 star100100%4 star0%3 star0%2 star0%1 star0%Add a review Search1-2 of 2 reviewsMost RecentMost Helpful Oscar Juarez Reviewer April 6, 2025 4" Exhaust DPF Delete | GM Duramax Diesel L5P 2017-2025The exhaust tone exceeded expectations and I’m very pleased overall. Landon Tomica Reviewer March 12, 2025 4" Exhaust DPF Delete | GM Duramax Diesel L5P 2017-2025It’s a bit pricey and the fit is extremely tight, but the sound quality makes up for it. Overall, I’m very happy with the final result. Sorry, no reviews match your current selections Related products Black Bandit Stainless Steel Exhaust TipRated 4.67 out of 5 3 reviews$79 – $115Price range: $79 through $115 In Stock Add to Wishlist Add to Wishlist 5″ Exhaust DPF Delete | GM Duramax Diesel LML 11-15$649 Out of stock Add to Wishlist Add to Wishlist 4″ Exhaust DPF Delete | GM Duramax Diesel 6.6L 2001-2007$569 – $1,108Price range: $569 through $1,108 In Stock Add to Wishlist Add to Wishlist CAB & CHASSIS 4″ Exhaust DPF Delete | Ford Powerstroke Diesel 6.7 2011-2019Rated 4.00 out of 5 2 reviews$775 – $1,069Price range: $775 through $1,069 In Stock Add to Wishlist Add to Wishlist 5″ Exhaust DPF Delete | GM Duramax Diesel LML 15.5-16$678 – $1,056Price range: $678 through $1,056 Out of stock Add to Wishlist Add to Wishlist
The exhaust tone exceeded expectations and I’m very pleased overall.
It’s a bit pricey and the fit is extremely tight, but the sound quality makes up for it. Overall, I’m very happy with the final result.