i wanna put aftermarket mufflers on my 99 GT n e suggestions on which brand will sound the best with the stock resonator and cat??? also i believe the inlet/outlet is both 2 1/4in is this correct?
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05-18-2009
i wanna put aftermarket mufflers on my 99 GT n e suggestions on which brand will sound the best with the stock resonator and cat??? also i believe the inlet/outlet is both 2 1/4in is this correct?
05-18-2009
Stock & yes..
05-18-2009
hmm some future mods include am intake and a reprogrammed PCM... i wanna make it sound good too... wut would b my best route to make the exhaust sound better? lemme know of any mods
05-18-2009
your exhaust will never sound better except at idle with any muffler you can choose.
that is why we say keep your stock mufflers and make it better with either a glasspack, downpipe, powerlog, etc. make your changes BEFORE the mufflers.
05-18-2009
ya ya ok i can understand that ill look into doin that then...thanks
05-19-2009
On my GT I have ceramic coated TOGs, 3" catless downpipe, then 2-1/2" threw a glaspack then runs into (2) 40 series Flowmaster mufflers, i think it sound sreaking sweet.
I had the mufflers on with the rest of the car stock, still sounded good, but with flowmasters make sure you have at least a resinator, or a long glasspack
05-19-2009
i have an slp catback...rasp city and i like it
05-19-2009
i got flowmasters on there now, it sounds ok, but i was thinking about ripping out the resonator and put a cherry bomb in its place, want a bit more sound, i have heard 3.8L tbirds with mid mounted exhausts and they sound sick, i think mounting a cherry bomb in place of the res and run pipes out from that will make it sound pretty good,
05-19-2009
Yeah but you have to remember that they have a different degree V6...and it is RWD and they can have duals...sooooooo...it is gonna sound different...probably meaner. Hell if my 3800 sounded like a new V6 Mustang I'd be happier.Originally Posted by GPSims39
05-19-2009
ive got some flow's with a resonator delete and new downpipe, rumbles at idle, especially at a cold start and you can hear good tone until about 3000rpm. sometimes sounds a lil "can-ny" but deffinately mean. Sounds pretty good on the highway too, you can actually hear some tone and not just the bassy cabin drone.
-powerlog comming soon, can't wait to hear it then
05-19-2009
yea i was shootin for somethin to let the car breath better like flow thru mufflers but i might hold off until i hear some GPs w aftermarket exhaust to see wut i like b4 i buy n e thing
05-19-2009
Keep the resonator and do yourself a favor.
This is my car with Pacesetter's and straight pipes after my cam install with Flowmaster40's... Video - xp start up - exhaust gtp
And here it is...SAME exact setup...only thing different is I put in a stock GM resonator. You tell me which one sounds better YouTube - GTP Exhaust
05-20-2009
definatley w the resonator sounds better...i know n e thing sounds decent at idle its when im blowin past the other guy i want him to be jealous of everything including the sound of my car ha...at first i was thinkin of keepin the stock cat n resonator n just replacin the mufflers... but not sure as to wut i wanna do yet...
05-20-2009
Get a 3" Downpipe withOUT a cat...get the mufflers for sound. That's just me though...
05-20-2009
alright thanks alot
05-20-2009
the stock catback will flow just fine up to like 350+ whp. dont worry about that being a restriction.
05-20-2009
ok ya so then that means im just lookin for a good soun thru all gears
05-20-2009
keep the stock mufflers
05-20-2009
alright cool
05-20-2009
stock mufflers, like mentioned already get a catless downpipe and keep the resonator
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