CompareFits your vehicle 4 Inch Filter Back Dual Outlet Single Side Aluminized Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP $634.99
CompareFits your vehicle 4 Inch Filter Back Single Side Aluminized Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP $474.99
CompareFits your vehicle 4 Inch Filter Back Single Side Black Coated For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP $649.99
CompareFits your vehicle 4 Inch Filter Back Single Side T304 Stainless Steel For 11-19 Silverado/Sierra 2500/3500 Duramax MBRP $779.99
3% offCompareFits your vehicle 4" Aluminized Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Aluminized, Without Muffler $910.00 $882.70
3% offCompareFits your vehicle 4" Aluminized Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Aluminized, With Muffler $1020.00 $989.40
3% offCompareFits your vehicle 4" Aluminized Downpipe Back Single Without Muffler| Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Aluminized, Without Muffler $950.00 $921.50
3% offCompareFits your vehicle 4" Stainless Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Stainless, Without Muffler $1120.00 $1086.40
3% offCompareFits your vehicle 4" Stainless Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Stainless, With Muffler $1200.00 $1164.00
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, with muffler, AL, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $979.99 $950.59
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, without muffler, 409 Stainless, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $989.99 $960.29
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, without muffler, Aluminized, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $849.99 $824.49
3% offCompareRegular Product P1 4" Turbo Back, Race System, no bungs, without muffler, T409 Stainless, 2019-2022 RAM 2500/3500 6.7L ,All Models $1009.99 $979.69
3% offCompareRegular Product P1 4" Turbo Back, Race System, no bungs, without muffler, T409 Stainless, 2019-2022 RAM 2500/3500 6.7L ,All Models $1009.99 $979.69
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, without muffler, 409 Stainless, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $989.99 $960.29
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, without muffler, Aluminized, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $849.99 $824.49
3% offCompareFits your vehicle P1 4" Down Pipe Back, Race System, without bungs, with muffler, AL, 2017-2023 Chevy/GMC 2500/3500 HD Duramax L5P $979.99 $950.59
3% offCompareFits your vehicle 4" Aluminized Downpipe Back Single Without Muffler| Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Aluminized, Without Muffler $950.00 $921.50
3% offCompareFits your vehicle 4" Stainless Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO) Stainless, Without Muffler $1120.00 $1086.40