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do flowmaster make gtps faster?

GTPRiley said:
Well it might not feel fast enough because its knocking so hard and pulling timing I really recommend putting the stock pulley back on. at least until you open the exhaust up.
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x a billion lol. Put the stock pulley back on or buy headers and install them then tune and scan. Trust me you will feel the difference
 


exactly, the computer has to be umm adjusted to do that, just because a smaller pulley is on it doesnt mean it will be faster. The computer might see the increase in boost as engine knocking and can pull timing a lot of timing. just depends on how many degrees of KR you have. my car stock was putting up 6* of KR and when we had that tuned and decreased the KR it ran SO MUCH BETTER!
 
Look into a mail order pcm from zzpeformance.com, but I think a few people have had some problems with theres recently, so intense might be better at the moment, or DHP
 


you can buy a pcm. intense or overkill. or you can by a tunner and tune it yourself. if your not going to tune it yourself i recemed overkill or find someone close to you with a tunner and will tune it that has a gtp. i wouldent let just anyone tune it
 
ok thanks but i messed up the stock pulley so i am stuck with the 3.4 but i am gunna order some headers tonight, i can just go to a dyno shop and they can tune it tho cant i?
 


lol alright thanks guys i got a dyno shop right by my house so i will check them out and see what they can do but i think i might get the headers off zzp but im looking for cheaper ones
 


the ebay headers work fine. there is a few people on here that have no problem with them. at zzp your just paying for the name
 
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