Kooks headers are designed to give your 2008+ Pontiac G8 GT the performance increase that it deserves! Dyno proven gains of over 30hp have been seen! Manufactured with 1 3/4" or 1 7/8" mandrel bent 304 stainless with 3/8" flanges and 3" collectors. Includes the bungs for the O2 sensors as original. For additional performance, consider upgrading your G8 GT's mid section with Kooks center section with hi-performance catalytic converters or off-road section. No cutting or welding involved if installing complete kit (headers, intermediate section).

◦1 7/8" x 3" Stainless Steel Longtube Headers
◦Must Use Kooks Connection Pipes To Connect To Factory Exhaust
◦Includes All Hardware Necessary For Install
◦These products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB compliance