Customer service is top notch! jared, my 2007 GT500 with methanol Injection and the 2.6 pulley, JLT massive tube and filter netted a 529 rwhp and 515...

these guys are the best, hands down. prices, service, shipping, they go above and beyond everytime!! i haven't dealt with anyone else in years,...

I've always experienced exceptional service from Lethal, but when I checked my email a few minutes ago, I was blown away. My order was confirmed...

Thanks to all at Leathal Performance i'm very very happy to deal with you it's very fast shipping (To Saudi Arabia) I ordered my clutch kit 4-5 days...

These guys have the best service hands down over all competitors. Never a problem.