which one should i buy?
Thread Starter
Newbie
Joined: Apr 2010
Posts: 30
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From: washington
which one should i buy?
should i get AMS or injen upper ic pipe and intake? which one is better? should i have my stock cat pipe or test pipe? i hear if you put a test pipe you lose waste gas.. and i also hear if i upgrade my intake i have to tune my car because the ecu is my fixing the air ratio?? is this true or when do i need to tune or flash my car ???? help ..help...
