These headers are the first and only headers available for the Trailblazer SS. They feature 1.750" primaries and a 2.5"" OD collectors. This part also includes two 2.5" mid pipes with high flow cataytic converters that connect to Stainlessworks true dual exhaust. Please note these mid pipes will not connect to the factory or any other aftermarket catback exhaust.

On a Trailblazer SS prototype, these headers with our full catback system have been dyno proven to make up to 40 HP to the wheels. Backed with a lifetime on materials and workman ship and are the BEST headers available for the TBSS.