Skunk2 Lowering Springs - 2002-2005 Honda Civic Si EP3 - 519-05-1575 .040" SB11-XTG4 kit features an Xtreme

SB11-XTG4 kit features an Xtreme pressure plate for the most demanding driver

We have also developed 3rd Party Plug & Play Adapter Cables for certain applications

AI3-XTR4 kit features an Xtreme pressure plate for the most demanding driver

with Boost PSI on one side and Fuel Pressure PSI on the other

this intercooler kit is covered under the Mishimoto Lifetime Warranty

Skunk2 Lowering Springs - 2002-2005 Honda Civic Si EP3 - 519-05-1575 .040" SB11-XTG4 kit features an XtremeCorner faster, stop quicker, and improve the look of your vehicle with Skunk2's legendary Lowering Springs. Skunk2 Lowering Springs for the 02 05 Civic Si are designed to dramatically improve handling performance and driver feel through significantly increased cornering grip and reduced body roll. What's more, Skunk2 Lowering Springs also help counteract squatting under acceleration as well as nose diving while braking. All Skunk2 Lowering Springs are