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rasp help!!

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Old Mar 24, 2010 | 09:39 PM
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Default rasp help!!

my set up is hooker catback.mac mids with a ory and i welded in 2 highflow magnaflow cats...

the rasp at 2000 to 2800 is just ugly.otherwise the car sounds 100 percent awsum to me.... what can i do to get this reduced????
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Old Mar 25, 2010 | 03:10 AM
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search the forums for people that have done the flowmaster merge. that will help a lot and it will allow you to increase the diameter of your i-pipe. depending on your set up i would do a 3.5" i-pipe. it will have to be custom done by an exhaust shop but should not be very expensive at all. i am about to do this as well. except i am going with a 4" i-pipe and 4" mufflex cat back. bigger diameter pipe will mean a deeper exhaust note.
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Old Mar 25, 2010 | 03:44 AM
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Originally Posted by monsterbreather
my set up is hooker catback.mac mids with a ory and i welded in 2 highflow magnaflow cats...

the rasp at 2000 to 2800 is just ugly.otherwise the car sounds 100 percent awsum to me.... what can i do to get this reduced????
The merge adds to or lessens rasp depending upon what brand of Lt's you have. I completely removed rasp from my system - ARH 1 7/8 LT's with ARH catted y-pipe back to a Magnaflow catback by adding two 12 inch Magnaflow mufflers. See pics.

http://www.flickr.com/photos/18359304@N07/4461378099/

http://www.flickr.com/photos/18359304@N07/4462153250/

http://www.flickr.com/photos/1835930...n/photostream/

Last edited by dlandsvZ28; Mar 25, 2010 at 03:51 AM.
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Old Mar 25, 2010 | 08:59 AM
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The merge on the y-pipe can also create rasp as that is where the 2 pipes go into 1. A high quality merge like the flowmaster merge can reduce rasp significantly, tho not completely. It did for me!
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Old Mar 26, 2010 | 01:34 AM
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You can try that and if that doesn't work you can try to put a bullet in the I-Pipe and that should help it alot or cure it also.
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Old Mar 26, 2010 | 07:02 PM
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I have used the Flowmaster merge also, and it helped alot. It also helped alot on third gens which can get really raspy.
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Old Mar 30, 2010 | 05:48 PM
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Originally Posted by thewholefnshow1
You can try that and if that doesn't work you can try to put a bullet in the I-Pipe and that should help it alot or cure it also.
im wondering if this will hurt performance?
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Old Mar 30, 2010 | 09:45 PM
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Originally Posted by monsterbreather
im wondering if this will hurt performance?
It may depends on the kind bullet you go with but if it does I'm sure it's nothing you will miss anyway. But as long as it does what you use it for then it's a winning situation.
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Old Mar 30, 2010 | 10:18 PM
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no it wont hurt performance.... bullets are straight through design. Ive had a bullet on a hooker setup and it smoothed the sound out quite a bit. I recommend a 12 or 18in bullet in I pipe and rasp solved.
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Old Mar 30, 2010 | 10:34 PM
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Flowmaster merge or bullet or both should do the trick.
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Old Mar 31, 2010 | 03:48 AM
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Originally Posted by Detoxx03
Flowmaster merge or bullet or both should do the trick.


What Detoxx said. I have a FM merge and a powerstick bullet muffler in my I pipe and it killed about 99% of my rasp
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Old Mar 31, 2010 | 04:00 AM
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Originally Posted by Detoxx03
Flowmaster merge or bullet or both should do the trick.
Originally Posted by TORCHD 02 TA


What Detoxx said. I have a FM merge and a powerstick bullet muffler in my I pipe and it killed about 99% of my rasp
Listen to what those two said both of them espeically I know torchd has just about had every kinda exhaust setup u can think of. So you need to listen to them.
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Old Mar 31, 2010 | 04:14 AM
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Originally Posted by thewholefnshow1
Listen to what those two said both of them espeically I know torchd has just about had every kinda exhaust setup u can think of. So you need to listen to them.


It has been a long road, and I finally am happy with my exhaust set up
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Old Mar 31, 2010 | 04:44 AM
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Originally Posted by TORCHD 02 TA


It has been a long road, and I finally am happy with my exhaust set up
I vividly remember that road. It was indeed long and well traveled. Glad you actually found something you liked in the end though.
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Old Mar 31, 2010 | 07:31 AM
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Originally Posted by monsterbreather
the rasp at 2000 to 2800 is just ugly.otherwise the car sounds 100 percent awsum to me.... what can i do to get this reduced????


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Old Mar 31, 2010 | 01:38 PM
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Originally Posted by orangeapeel
I vividly remember that road. It was indeed long and well traveled. Glad you actually found something you liked in the end though.
Thanks Jordan
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Old Mar 31, 2010 | 02:10 PM
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Originally Posted by thewholefnshow1
Listen to what those two said both of them espeically I know torchd has just about had every kinda exhaust setup u can think of. So you need to listen to them.
I'm glad I finally have a setup i'm happy with
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Old Mar 31, 2010 | 09:46 PM
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can you guys give me a heads up on which bullet muffler? and which size for a stock ipipe? thanks
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Old Mar 31, 2010 | 10:51 PM
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Originally Posted by TORCHD 02 TA


It has been a long road, and I finally am happy with my exhaust set up
Well if an gmmg you can complain. I still need to get some idle clips of my car and like a cruise by or something. Have you still considered the X-pipe setup with bassani pipes or you just done with it? To me it's more deeper with the pipes and X-pipe then it orginally sounded though.
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Old Mar 31, 2010 | 11:34 PM
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Originally Posted by thewholefnshow1
Well if an gmmg you can complain. I still need to get some idle clips of my car and like a cruise by or something. Have you still considered the X-pipe setup with bassani pipes or you just done with it? To me it's more deeper with the pipes and X-pipe then it orginally sounded though.
Nah I am going to stick with my custom O/R Y set up.. I like it a lot..

yes I think you need to get better vids of your set up ASAP
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