4G63 Exhaust Manifold Flange

Boosted Engineering's 4G63 exhaust manifold is designed for maximum durability and performance. Made of 1/2" thick 304 stainless steel, this manifold is built to withstand high temperatures and pressure without warping.
 
Fire Ring lightly cut into mating surface to amplify sealing pressure with more force around the port ensuring a better seal under extreme conditions.
 
Precision laser cutting provided by LaserLine Labs.