Intake/straight pipe Rsx-S Vs FBO Ap1 S2K Vs Tuned B20Vtec swap Honda Civic ej8 on E85 

-RSX-S
Stock K20z1
Intake
3inch straight pipe with stock header
driver mod
EJ8 Coupe
-B20Vtec Swap
Stock motor
Type R head Type R cams
2.5 inch Skunk2 Exhaust
stock manifold with 70mm S2 throttle body
FBO Tuned on E85 making 207whp
Coupe needed driver mod!
-Ap1 S2K
HKS Exhaust
intake
driver mod