Toyonda K20/K24 Over Subframe Header

Take your K20 or K24 swapped Toyota MR2 Spyder to the next level with the Spyder K-Swap Over-Subframe 4-2-1 Header — engineered specifically for the unique layout of the Spyder chassis and the demands of high-performance builds. Key Features & Benefits: Precision Stainless Construction: Built from heavy-duty 16-gauge stainless steel tubing, the runner sizes start at 1.75″ and step up to 2″ to optimize exhaust scavenging and flow. TIG Welded Excellence: All welds are TIG done for consistent, strong joins that endure heat, vibration and track use. 4-2-1 Header Design: The 4-2-1 configuration is tuned for improved midrange and top-end power — ideal for K-series NA builds or boosted setups. Slip-fit Merge Collectors: Allows smoother transitions from runners to collectors, reducing turbulence and promoting better exhaust flow. O2 Sensor Bung Included: Comes ready with an O2 sensor bung for tuning, wideband sensors or factory sensor integration. V-Band Outlet: Features a 2.5″