Tubi believes in optimized primary header tubes, even though they increase design time and are more difficult to fabricate. This process is designed to increase HP and TQ on the 997 and 997S. Power is increased by~12-15 HP/TQ. Tubi headers, as well as all other Tubi Style products are constructed from 100% high grade stainless steel. Tubi headers come with a durable industrial chrome finish or with optional high temperature ceramic coating that is highly recommended due to its un-surpassed durability and never-changing appearance. By installing Tubi headers you will notice increased power and performance without sacrificing reliability.
F77 Power Package - Manifolds

