03 Gt Too Damn Quiet!

ChaudMasterFlex

New Member
Oct 13, 2011
5
0
1
NH
I have a 2003 GT and I purchased the American Thunder system from AM last year. It's too damn quiet for my liking. Anyway, I'm not sure if I should just purchase a different catback exhaust system, or try adding an aftermarket H/X pipe? I hate the idea of spending another $500+ on a new catback system, but I'm just not sure if an aftermarket X/H pipe will be loud enough? Also, I'm curious if a catted X/H would be much louder than the factory pipe?
 
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JonnyBlazeGT

Member
Jun 21, 2015
71
13
18
38
You need an o/r h or x pipe. The cats are killing the loudness. I have a Magnaflow catback and its really quiet. Im in the same boat as you. I need cats for inspection. ;(

Edit: just you're from NH. Me too!
 

ChaudMasterFlex

New Member
Oct 13, 2011
5
0
1
NH
I work part-time at a garage in Stratham so I can easily get a sticker, but there's no way around emissions, right? Mil eliminators seem to only get rid of the CEL.
 

JonnyBlazeGT

Member
Jun 21, 2015
71
13
18
38
From my research thus far, it appears that having mil eliminators will cause the computer to read 'not ready' making it not scannable for emissions scanner. Someone please correct me if I'm wrong.
 

Johnson02GT

New Member
Jul 11, 2015
1
0
1
48
Guess I'm lucky. No emissions testing here in Mn. I have an 02 GT with heartthrob exhaust. No cats and it's loud as hell
 

coletrickle46

Member
Mar 5, 2015
61
12
18
Southern California
Throw on a off road h or x pipe whichever you prefer and it will wake it up big time!. Night and Day difference bud. Off road h/x pipes aren't expensive. If you are a really tight budget look at brands like BBK, Pypes, Summit Racing ( they make their own ), and Jba i have seen for good deals as well. Cats will tone down the sound a lot. Check out utube for comparisons and you'll be amazed at how much of a difference a off road mid pipe will make!

Cheers! :)
 
Apr 7, 2007
155
2
19
Jacksonville
If you'd like I can post a video of my set up. I love my o/r x-pipe despite the installation being a pain in the butt. It can be a nuisance sometimes like if you wanna talk on your phone and drive but other than that I've got nothing but compliments from my coworkers and friends.