3.5" Downpipe Exhaust For Chevrolet Silverado & GMC Sierra L5P 6.6L Duramax Diesel 2017-2023 2108K For CADILLAC CTS-V 2004 -

For CADILLAC CTS-V 2004 - 2005 V8-346ci 5

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For Talon 1995-2000 L4 2

Reference OE/OEM Number:68000669AA

Manufacturer Part Number: 1718100364

3.5" Downpipe Exhaust For Chevrolet Silverado & GMC Sierra L5P 6.6L Duramax Diesel 2017-2023 2108K For CADILLAC CTS-V 2004 -Feature: 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