Porsche Boxter/911/Cayman Mild Steel Header Flange

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the flat-6 engines used in the "996" series of Porsche 911s from 1997-2008 to fit various models of 2.7/3.4/3.6/3.8L flat-six Porsche engines.

Compatible with:

1997-2008 Porsche Boxter (Non-Turbo)

1999-2008 Porsche 911 (Non-Turbo)

2006-2008 Porsche Cayman (Non-Turbo)

Port Size: 2.087"

Gasket: Compatible with Speed Daddy #SDD-GKTSETPDF986

Preformed Flange Stubs are 2"-3" in length, and are formed to perfectly fit the non-round port in the flange. Stubs drastically reduce overall build time and increase builder's efficiency.

We carry over 350 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.

Flanges sold separately.