nothing ... so far.

It's not so much I regret the mod, it's I regret the design. It sounds good, but when it rains the design is horrible. Filter gets so wet you can't get high up in the RPM range without detonating. It's also a PITA to clean the filter as you have to take off the bumper cover to get to it. Kinda wished I'd gone with the RB setup. I'll keep it til it blows then go Pettit SC. :biggthumpup:

buying a replica rear bumper from ebay

OOO that doesnt sound good.... was it bad fitment or just poor quality? If I ever have spare cash lying around I am just gonna get one of these and put it on my stock bumper. Its CF so I dont have to worry about getting the wwp paint (expensive as FUUUUU)
http://www.aerokits.net/cart/index.p...7bf3ef62aa498b

In a similar vain, I'm not sure running it headfirst into a concrete post this weekend was the best modification either....:driving: :banghead:

Getting rid of my mint '06 Galaxy Grey... '08 STI is a brute, but just not as balanced...