HiFlow Exhaust Manifold 3-1 Header for 2004-2011 Mazda RX8 RX-8 13B Genesis 1.3

  
13B-MSP 1.3L Renesis Rotary Wankel Engine. (1) Aftermarket 3-1 HiFlow Race Header. (2) Exhaust Manifold Gaskets Inlet / Outlet. (1) Bolts, Nuts, Washers Installation Hardware. Inlet / Outlet: 2.00"/ 2.75".

304 Stainless Steel w/ Mandrel Bends. 3 to 1 Hi Flow Performance Design. O2 Sensor Bung & Metal Gaskets Included.

TIG Welded CNC Machine Flange. Gain Approx 10-15 HP / TQ. Professional Installation is Highly Recommended (No Instructions Included).