Competition Headers are the traditional full length header and are the most widely used for street/strip applications. Good ground clearance for full length headers. 2” primaries, 3-1/2” collectors. Use for combinations up to 650 HP.

• Note: Full length headers may not align correctly with the humps in transmission cross members of some full sized cars. 

• Note: Most Header installs require re-routing of the transmission lines on the passenger side.

With Air refers to cars that have an air conditioning box on the firewall. With Out Air refers to cars that never had A/C or the box has been  removed. Also use With Air headers on combinations were the engine was moved farther back in the engine compartment.