8th Gen Civic Header (06-11 Civic Si) - K20 Only 2009 Nissan Altima Hybrid 2.5L 2018 Mercedes-Benz S63 AMG 4

2018 Mercedes-Benz S63 AMG 4

2004 Toyota Tacoma S-Runner 3

1986 Chevrolet Corvette Base 5

2002 GMC Sierra 1500 2-Wheel Steering

8th Gen Civic Header (06-11 Civic Si) - K20 Only 2009 Nissan Altima Hybrid 2.5L 2018 Mercedes-Benz S63 AMG 4Applications: 06 11 Civic SI models both Coupe and Sedan Features: Fits Civic Si with K20Z3 engine. 4 2 1 Tri Y Design 304 Stainless Steel CNC cut 3 8" thick SS Flanges 2. 5" Outlet Note: *It is highly recommended to upgrade your rear engine mount to a Hasport rear mount to limit movement.*Donut gasket can be replaced by OEM Honda part (18229 PCX 003), you will have to reuse the metal ring. K Tuned 8th Gen Header The K Tuned 8th Gen Civic SI Header