Decat Exhaust Manifold – BMW 3 Series E90 / E91 / E92 / E93 05-13

Gravity Performance Manifolds are designed to be direct replacements for OEM manifolds, ensuring smooth installation every time. Our manifolds improve the collection of gasses from the cylinder heads, before routing them through them to the rest of the system. Manufactured from high quality T304 grade stainless steel Mandrel bent and fully TIG welded for strength and durability CNC machined flanges for strong, solid support and an accurate fit Direct replacement for the OEM manifolds No catalytic material so will flow much better and allow for more power