sportsman's advice

no sense bustin' stuff up first, then having to repair it. Then I'd go for perhaps a rear gear change, 3:91 or 3:54

assuming you're running 3.5s, then its a stage 2 shift kit and trans reco.

Won't be many Civics out there that can keep up with a mild 360 A Body with 3.5 gears that shifts hard.