2017-2023 Chevrolet Silverado & GMC Sierra L5P 6.6L Duramax Diese 3.5" Downpipe Exhaust Lexus Other Exterior 4L 1364Cc 83Cid L4 Turbocharged(16

4L 1364Cc 83Cid L4 Turbocharged(16 Valve)

1 * O-Ring #91348-PaA-003

1 pc roof seal

Manufacturer Part Number:06J109088

Manufacturer Part Number:ST216006

2017-2023 Chevrolet Silverado & GMC Sierra L5P 6.6L Duramax Diese 3.5" Downpipe Exhaust Lexus Other Exterior 4L 1364Cc 83Cid L4 Turbocharged(16Feature: The downpipe on your turbocharged vehicle is directing the exhaust gases out of the turbine housing into the exhaust system. An aftermarket downpipe will typically be larger in diameter and either uses a high flowing catalytic converter or remove the catalytic converter altogether. By removing the factory downpipe and replacing it with a high flowing unit you are allowing the turbo to more efficiently move gases away from the turbine which