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05-22-2007, 03:32 PM #1Member
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- Aug 2005
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- Michigan
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- 39
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- 122
Red- 2002 WS6 Trans Am
Tons of rasp in my exhaust, what to do?
I have GMMG and Pacesetter LT's and ORY. I want new exhaust tips but i'm having a hard time finding some that are resonated. Should i just get some nice normal ones and get a bullet muffler in the I? Or will this make it too quit? I like it loud, just not raspy.
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05-22-2007, 04:55 PM #2Double Tap
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- Oct 2006
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- Castle Rock, CO
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Montego Blue- '07 BMW 328Xi Coupe
Its probably the ory thats making the rasp sound. Any chance of changing it?
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05-22-2007, 04:59 PM #3Member
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- Aug 2005
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Red- 2002 WS6 Trans Am
I thought about it but catted ones cost a decent amount.
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05-22-2007, 05:00 PM #4Senior Member
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- Sep 2006
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- New Jersey
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Black- 1998 Pontiac Trans Am
running an ORY isnt helping, so get some cats. Are all GMMG chambered exhaust? If so then get a muffler
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05-22-2007, 05:12 PM #5Double Tap
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Montego Blue- '07 BMW 328Xi Coupe
Yea GMMG is chambered. The LT's shoudn't be the cause of this.
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05-22-2007, 05:27 PM #6The Bandit
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- Apr 2006
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- NJ
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- 4,031
SGM- 1998 Trans Am WS6
I have heard from a lot of people that GMMG sounds raspy with LT's/ORY. IT sounds good with the stock manifolds, but once you go LT's, its just too much for some reason.
Originally Posted by Vertibird54
Perhaps you can install some resonators to quiet some of the raspiness.
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05-22-2007, 06:47 PM #7Member
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- Aug 2005
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- Michigan
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Red- 2002 WS6 Trans Am
If i got the Bulliet in the I, would that work just as good as the cats?
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05-23-2007, 07:15 AM #8Double Tap
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- Oct 2006
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- Castle Rock, CO
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- 34
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Montego Blue- '07 BMW 328Xi Coupe
Maybe, just something to eliminate the rasp is all you really need and that would work. Either that or put some high flow cats on there.
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05-23-2007, 07:23 AM #9Blown, Stroked, & Sprayed
- Join Date
- Aug 1999
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- Arizona
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- 51,364
Black- 383 Procharged & N20 Vert
Cats will solve the rasp
Black 1999 Blown Convertible A4
Forged 383 | ATI D-1SC
NX MAF Kit | 222/226 .585 115
AS Stage II 6.0L FI Heads
Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
548.0 RWHP - 563.8 RWTQ - 10# - D1
666.0 RWHP - 734.2 RWTQ - 125 Shot - P1
Black 2009 Escalade Hybrid 4WD
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05-24-2007, 02:58 PM #10Member
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- Aug 2005
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- Michigan
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Red- 2002 WS6 Trans Am
can i put cats on without replacing the whole Y?
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05-24-2007, 08:25 PM #11member since may 2000
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- Dec 2002
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black- 2000 nhra edition formula
bullets will not take away the rasp, been there dont that. Originally Posted by 02_WS6
2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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05-25-2007, 02:44 AM #12Member
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- Aug 2006
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- Chesapeake, VA
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Le Mans Blue- 2004 Z16
Do NOT do a DynoMax bullet...it does nothing for rasp and drone. Try a Borla XR-1 in the I-pipe. It will still be loud, but the quality of sound will be much better. Just my personal experience...
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05-26-2007, 08:16 AM #13Member
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- Aug 2005
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- Michigan
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Red- 2002 WS6 Trans Am
???? Originally Posted by 02_WS6
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05-28-2007, 07:40 AM #14Member
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- Dec 2005
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- Dover DE
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- 54
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red- 94 Z28
Things that will cause your exhaust to sound raspy:
LT headers
Removing the cats
Chambered mufflers or "cherry Bombs"
Your pretty much screwed
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05-28-2007, 08:36 AM #15Member
- Join Date
- Aug 2005
- Location
- Clinton Twp. , Mich.
- Posts
- 102
Black- 2002 ss Convertible
I spent the big bucks and added Kooks headers and their catted Y pipe to my existing GMMG. No rasp.... just mean ass sound.
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05-28-2007, 01:13 PM #16Member
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- Aug 2005
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- Michigan
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Red- 2002 WS6 Trans Am
Were did you get the work done at?
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05-28-2007, 01:50 PM #17Member
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- Aug 2005
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- Clinton Twp. , Mich.
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Black- 2002 ss Convertible
Did it myself. It was a PITA but in the end it was well worth it! Originally Posted by 02_WS6
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05-28-2007, 05:45 PM #18Member
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- Michigan
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Red- 2002 WS6 Trans Am
Sorry, last time i'll ask. Originally Posted by 02_WS6
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05-28-2007, 05:46 PM #19Member
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Red- 2002 WS6 Trans Am
LoL ok, last time Originally Posted by 02_WS6
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