Quick view GrimmSpeed | sku: GRM113026 GrimmSpeed Unequal Length Exhaust Header For 04-21 Subaru STI Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exhaust components for the Subaru aftermarket. While we might not always be the first to release a certain product, our... $999.00 Add to Cart Compare
Quick view ETS | sku: 200-20-EXM-203 ETS V2 Maxflow Header (3 Bolt Flange) For 08-14 Subaru STI The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 08-14 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1... $1,495.00 Add to Cart Compare
Quick view ETS | sku: 200-20-EXM-202 ETS V2 Maxflow Header (V-Band Flange) For 08-14 Subaru STI Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 08-14 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1 7/8 primary runners... $1,495.00 Add to Cart Compare
Quick view ETS | sku: 200-30-EXM-202 ETS V2 Maxflow Header (V-Band Flange) For 15-21 Subaru STI The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 15-21 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1... $1,495.00 Add to Cart Compare
Quick view ETS | sku: 200-30-EXM-203 ETS V2 Maxflow Header (3 Bolt Flange) For 15-21 Subaru STI The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 15-21 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1... $1,495.00 Add to Cart Compare
Quick view ETS | sku: 200-20-EXM-201 ETS V2 Maxflow Header (2 Bolt Flange) For 08-14 Subaru STI The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 08-14 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1... $1,495.00 Add to Cart Compare
Quick view ETS | sku: 200-30-EXM-201 ETS V2 Maxflow Header (2 Bolt Flange) For 15-21 Subaru STI The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 15-21 Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1... $1,495.00 Add to Cart Compare