Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Add to cartL5P Exhaust & EGR Kits, L5P Exhaust Systems17-19 Duramax 4″ Downpipe Back Delete Exhaust CAD $729.95 Add to cartL5P Exhaust & EGR Kits, L5P Exhaust Systems17-19 Duramax 4″ Downpipe Back Delete Exhaust W/Muffler CAD $849.97 Select optionsL5P Exhaust & EGR Kits, L5P Exhaust Systems20-22 Duramax Flo Pro 4″ Downpipe Back Delete Exhaust CAD $1,024.99 Add to cartL5P Exhaust & EGR Kits, L5P Exhaust Systems17-19 Cab & Chassis Flo Pro 4″ Downpipe Back Delete Exhaust CAD $971.99 Select optionsL5P Exhaust & EGR Kits, L5P Exhaust Systems20-22 Duramax Flo Pro 5″ Downpipe Back Delete Exhaust (No Muffler) CAD $959.99