4″ Exhaust DPF Delete | GM Duramax Diesel 6.6L 2001-2007 Ready to ship SKU: 21915 For off-road and race use only $569 – $1,108Price range: $569 through $1,108 Muffler Option Choose an optionNo MufflerWith Muffler Up-Pipe / Down-Pipe Choose an optionNoneUp-PipeDown-Pipe (2001-2004)BothClear 4" Exhaust DPF Delete | GM Duramax Diesel 6.6L 2001-2007 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 6.6L 2001-2007 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 0.0 Based on 0 reviews5 star0%4 star0%3 star0%2 star0%1 star0%Add a review Search0 of 0 reviewsMost RecentMost HelpfulSorry, no reviews match your current selections Related products 5″ Turbo Back Exhaust DPF Delete | Dodge Ram Cummins Diesel 6.7 2013-2018Rated 4.50 out of 5 12 reviews$829 – $1,027Price range: $829 through $1,027 In Stock Add to Wishlist Add to Wishlist 5” Diesel Universal MufflerRated 4.5 out of 5 4 reviews$198 In Stock Add to Wishlist Add to Wishlist 33% Ford Powerstroke 7.3L 5″ Turbo Back Race Exhaust 1999-2003$700 Original price was: $700.$475Current price is: $475. Out of stock Add to Wishlist Add to Wishlist 4″ Exhaust DPF Delete | Dodge Ram Cummins Diesel 6.7 2007-2009$589 – $729Price range: $589 through $729 In Stock Add to Wishlist Add to Wishlist 4″ Down Pipe Back Exhaust for 6.4L Powerstroke 2008-2010$435 – $575Price range: $435 through $575 Out of stock Add to Wishlist Add to Wishlist