6.6L GMC L5P Diesel Exhaust Kits (2017-2019)
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IMPORTANT NOTEIn 2017, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the newest 4-bolt style flange before ordering any of the kits listed on this page. If you have a 3-bolt flange instead, please refer to our 2015.5+ LML exahust sytems. |
2017-2021 L5P Duramax Downpipe | ||
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Turbo Downpipe10104* | ||
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4" CAT & DPF Race Pipes |
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| Aluminized | Stainless | |
| 2017-2019, 6.6L, 2500/3500, L5P, Race Exhaust, w/ OEM 4-BOLT Flange | ||
EC-CC/SB-LB-Dually .............................................................................................. |
882* | SS882* |
| * IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe! If you have a 3-bolt flange, please see our 2015+* Duramax Exhaust Kits. | ||
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4" Downpipe Back Single |
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| Aluminized | Stainless | |
| 2017-2019, 6.6L, 2500/3500, L5P, Race Exhaust, w/ OEM 4-BOLT Flange | ||
EC-CC/SB-LB-Dually Pickup ONLY! .............................................................................................. |
880* | SS880* |
No Muffler Kit Pickup ONLY! .......................................................................................... |
880NM* | SS880NM* |
| * IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe! If you have a 3-bolt flange, please see our 2015.5+ Duramax Exhaust Kits. | ||
| 2017-2019, 6.6L, 3500, L5P, Cab & Chassis, w/ OEM 4-BOLT Flange | ||
With Muffler, Crew Cab ONLY! .............................................................................................. |
887* | SS887* |
No Muffler, Crew Cab ONLY! .......................................................................................... |
887NM* | SS887NM* |
| * IMPORTANT NOTE: These kits will only fit models equipped with center mounted rear fuel tank on CREW CAB Cab & Chassis model 3500's. | ||
5" Downpipe Back Single |
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| Aluminized | Stainless | |
| 2017-2019, 6.6L, 2500/3500, L5P, Race Exhaust, w/ OEM 4-BOLT Flange | ||
EC-CC/SB-LB-Dually Pickup ONLY! .............................................................................................. |
680* | SS680* |
No Muffler Kit Pickup ONLY! .......................................................................................... |
680NM* | SS680NM* |
| * IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe! If you have a 3-bolt flange, please see our 2015.5+ Duramax Exhaust Kits. | ||
| 2017-2019, 6.6L, 3500, L5P, Cab & Chassis, w/ OEM 4-BOLT Flange | ||
With Muffler, Crew Cab ONLY! .............................................................................................. |
687* | SS687* |
No Muffler, Crew Cab ONLY! .......................................................................................... |
687NM* | SS687NM* |
| * IMPORTANT NOTE: These kits will only fit models equipped with center mounted rear fuel tank on CREW CAB Cab & Chassis model 3500's. | ||
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5" Downpipe Back Dual |
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| Aluminized | Stainless | |
| 2017-2019, 6.6L, 2500/3500, L5P, Race Exhaust, w/ OEM 4-BOLT Flange | ||
EC-CC/SB-LB-Dually, No Muffler, 4" Cat Pipe ............................................................................................... |
780* | - |
| * IMPORTANT NOTE: These kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe! If you have a 3-bolt flange, please see our 2015+* Duramax Exhaust Kits. | ||