K Series K24 K20 FA FG Header V2 w/ Bolt-On Catalytic Converter K24A please use the drop down

please use the drop down box to select the appropriate guide

Acura & Honda Inline Flange with Straight Return Line Fitting

96-2000 EX or EM1 with ABS*

couplers and clamps

Includes PGTJETR4Q or add Plug & Play adaptors PADPJtoT4

K Series K24 K20 FA FG Header V2 w/ Bolt-On Catalytic Converter K24A please use the drop down*All headers and large exhaust items may be subject to additional shipping charges* Do you have a K24 or K20 in your 8th Gen Civic Si? This is the BEST header you need, now with a bolt on, 200 cell high flow cat! The PLM K Series 06 11 Civic Si K24 K20 header features a true step up exhaust header design. Version 2 is a one piece design for a 100% leak free installation. Now with bolt on, high flow metallic catalytic converter! Fitment: Honda Civic Si