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2003 Grand prix exhaust

2

2003stivGTP

New member
Hey Guys,

I am wondering if a dual exhaust off of a 1999 grand prix (not sure on the model) will fit on my 2003 gtp. It will be replacing a whole exhaust from the cat back.

If someone could let me know if it will be a direct fit, it will be greatly appreciated.

Thanks

kevin
 


Stock doesnt sound that bad common now.. Borla waaaaaay to much $$$ for zero performance

Sent from my DROID BIONIC using Tapatalk 2
 
None of them provide performance on this platform until you hit high Hp numbers. My slp powerflo sounded great with a resonator.
 


Am i the only person that likes the true factory sound of the Grand prix's ? lol. I have the U bend delete with headers and an aftermarket resonator that my exhaust shop put in and and in my opinion I think it sounds fine. I've done exhaust's on V6's in the past and always at a WOT it get's raspy. This is why I sink my dollars into my V8's exhaust's.
 
Get 04+ exhaust that already has the U-bend removed. Practically the same catback, uses same hanger positions, and yeah. Walker Super Quiets as the muffs (according to Rock Auto as a OEM replacement.)
 
Flowmaster.. Cheap but if done right can be great for the price :).. Everyone hates on flowmaster too but for the money not bad I just do not see paying a grand for a Borla. Mind you my friend has had a Borla on his Firebird for 9 years now and it looks the same now as it did the day he bought it which is impressive but the hole in the wallet sucks.
 


Keep it stock 2003stivGTP and do what NegativeOne13 said.. Just add some headers though, so worth the money on that mod.
 
NegativeOne13 said:
Get 04+ exhaust that already has the U-bend removed. Practically the same catback, uses same hanger positions, and yeah. Walker Super Quiets as the muffs (according to Rock Auto as a OEM replacement.)
Click to expand...

Um the ubend isnt in the cat back, its after the cat in the downpipe.
uBendInstall.jpg


You see the hangers and the flange with the bolts in it, the cat back starts after the flange.
 
What's funny when I took my GTP into the exhaust shop to have the resonator repaired because i blew the old one out. And my buddy was like " dude you have to replace this U-bend it's restrictive" Best 11dollars ever spent haha. I still wonder why GM put that stupid thing in there.
 
kinda like heat shields too there good for about 11mins then rattle to the point where you just wanna scream and eventually pry them off.
 


wow this all brings me back to the day's when I bought my first car a 1995 firebird 3.4L V6 and put a flowmaster and on a 5 speed. Man did that sound terrible and the worst raspy growl ever at high RPM shifts.
 
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