Our Mazda Rx-8 manifold replaces the restrictive standard manifold and improves exhaust gas flow thanks to its stainless steel, CAD-designed construction. You will also benefit improved throttle response and increased power output. Features: Constructed from T304 stainless steel TIG welded Boss fitted to accept lambda (O2) sensor Improved throttle response and gas flow Direct bolt-on on fitment to standard catalytic converter or aftermarket decat/sports cat Gaskets and bolts included
