AidanLGT Posted April 13, 2020 Share Posted April 13, 2020 I have an 07 Subaru Legacy limited gt and I fabbed up a 3inch catback straight pipe(sounds horrible) besides that I was wondering if I need a retune. I already have it tuned because of catless downpipe, tgv deletes, air pump deletes, and airbox. Just making sure that it’s not going to effect it at all. Because the stock exhaust it a 2.5 inch to the ypipe, but now it’s just a 3 inch all the back single pipe. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Pleides Posted April 13, 2020 Share Posted April 13, 2020 You do not need a tune for a catback exhaust on our cars. I did a 3->2.5" conversion on my downpipe to catback and needed no tuning. Link to comment Share on other sites More sharing options...
NORULZleggy Posted April 13, 2020 Share Posted April 13, 2020 I have an 07 Subaru Legacy limited gt and I fabbed up a 3inch catback straight pipe(sounds horrible) besides that I was wondering if I need a retune. I already have it tuned because of catless downpipe, tgv deletes, air pump deletes, and airbox. Just making sure that it’s not going to effect it at all. Because the stock exhaust it a 2.5 inch to the ypipe, but now it’s just a 3 inch all the back single pipe. Sent from my iPhone using Tapatalk Is straight pipes the new fad? why would you do this? Like you said, they sound bad, on all cars. Well my be not exotics . Link to comment Share on other sites More sharing options...
Max Capacity Posted April 13, 2020 Share Posted April 13, 2020 Is straight pipes the new fad? why would you do this? Like you said, they sound bad, on all cars. Well my be not exotics . I'm guessing younger person that hasn't learned yet... 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
AidanLGT Posted April 17, 2020 Author Share Posted April 17, 2020 Ya I’m tuned on 19lb right now before my peak boost was 19 somethin and now it’s 21lbs should I switch back or is it because the tune wasn’t very good. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
AidanLGT Posted April 17, 2020 Author Share Posted April 17, 2020 Plan was also get mufflers and resonators but I wanted to make sure putting a different flowing exhaust on wasn’t going to change much. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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