cormy Posted May 4, 2016 Report Share Posted May 4, 2016 Brought home my new (too me) 2012 and driving home from the dealer (an hour away) it seemed to sound very loud in the cabin. It was beginning to bother me, the constant drone. I was thinking man, I would have a hard time driving this long distances or having a normal conversation with a passenger. Well...looked under it last night and low and behold I see stainless steel KOOKS mufflers and 3" pipes attached to the catalytic converter H pipe! Its too loud for me needless to say...so I will soon be in the market for a trade back to stock pipes & muffler. I assume the stock pipes are 2.5"? Link to comment Share on other sites More sharing options...
Doug_GT350 Posted May 4, 2016 Report Share Posted May 4, 2016 turn the radio up..... Link to comment Share on other sites More sharing options...
MTYQIN Posted May 5, 2016 Report Share Posted May 5, 2016 ... and roll the windows down. Passengers are just a distraction. Link to comment Share on other sites More sharing options...
Doug_GT350 Posted May 5, 2016 Report Share Posted May 5, 2016 Link to comment Share on other sites More sharing options...
mavisky Posted May 5, 2016 Report Share Posted May 5, 2016 2-3/4 on the 2nd gen GT500's. Link to comment Share on other sites More sharing options...
cormy Posted May 5, 2016 Author Report Share Posted May 5, 2016 Capture.PNG I was waiting for that........... Link to comment Share on other sites More sharing options...
Doug_GT350 Posted May 6, 2016 Report Share Posted May 6, 2016 I was waiting for that........... You're welcome.... Link to comment Share on other sites More sharing options...
1 Alibi 2 Posted May 7, 2016 Report Share Posted May 7, 2016 Brought home my new (too me) 2012 and driving home from the dealer (an hour away) it seemed to sound very loud in the cabin. It was beginning to bother me, the constant drone. I was thinking man, I would have a hard time driving this long distances or having a normal conversation with a passenger. Well...looked under it last night and low and behold I see stainless steel KOOKS mufflers and 3" pipes attached to the catalytic converter H pipe! Its too loud for me needless to say...so I will soon be in the market for a trade back to stock pipes & muffler. I assume the stock pipes are 2.5"? . I wonder what else you don't know about a car you just bought ? Sometimes after the sale isn't the time for some surprises !! Link to comment Share on other sites More sharing options...
cormy Posted May 7, 2016 Author Report Share Posted May 7, 2016 I would have to say almost never is it good for surprises after the sale.. But in this case it's not too bad, may keep them on, not sure have to drive it more to decide. Anyway it's a good surprise I guess since it's an upgrade that can easily be replaced to stock. Link to comment Share on other sites More sharing options...
kawwy600 Posted May 26, 2016 Report Share Posted May 26, 2016 2-3/4 on the 2nd gen GT500's. I'm not sure what you consider "2nd gen GT500" but 2007-2010 GT500s have 2.5" exhaust while 2011-2012 GT500s use a 2.75" exhaust system. Link to comment Share on other sites More sharing options...
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