Collection: 2017-2019 6.6L Duramax L5P

2017-2026 L5P Duramax Downpipe

New 3.5" Turbo Direct Pipe with a 4 bolt flange Turbo direct pipe for 2017-2026 GMC/Chevy Duramax 6.6L Duramax L5P trucks It eliminates restrictive bends and...

Exhaust

5" Downpipe Back Single | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P

Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved...

Exhaust

5" Downpipe Back Dual | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P

Mel’s Manufacturing – Built in Alberta From USA Steel. At Mel’s, every exhaust system starts with premium 16-gauge aluminized or stainless steel sourced directly from U.S. mills....

Exhaust

4" Downpipe Back Single | Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P

Mel’s Manufacturing – Built in Alberta From USA Steel. At Mel’s, every exhaust system starts with premium 16-gauge aluminized or stainless steel sourced directly from U.S. mills....

Exhaust

4" Downpipe Back Single | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P

Mel’s Manufacturing – Built in Alberta From USA Steel. At Mel’s, every exhaust system starts with premium 16-gauge aluminized or stainless steel sourced directly from U.S. mills....

Exhaust

4" Cat & DPF Race Pipes | 2017-2026 GM 2500/3500 6.6L DURAMAX L5P

Mel’s Manufacturing – Built in Alberta From USA Steel. At Mel’s, every exhaust system starts with premium 16-gauge aluminized or stainless steel sourced directly from U.S. mills....