v6 rasp...where does it really come from?

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Apr 6, 2012 | 11:17 AM

#11

1slowv6

Newbie

Joined: Sep 2011

Posts: 28

Quote:

Originally Posted by Camaro 69

^ That's not "rasp"!

Bcause I only revved it to like 1500 rpm anything above that sounds like a damn fart can

Apr 6, 2012 | 11:18 AM

#12

Camaro 69

Senior Moderator
January 2010 ROTM Winner

Joined: Oct 2007

Posts: 18,306

From: The 'Burbs of Chicago

I was hearing more "rasp" from the wind blowing the camera!

Apr 27, 2012 | 08:53 PM

#13

jrollings

In the Staging Lanes

Joined: Apr 2012

Posts: 40

From: Whitestown, IN

Thats interesting reading that a glasspack in place of the CAT helps reduce the rasp. Does anyone have a sound clip after replacing their cat with a glasspack ?

Apr 28, 2012 | 10:53 AM

#14

1slowv6

Newbie

Joined: Sep 2011

Posts: 28

Quote:

Originally Posted by jrollings

Thats interesting reading that a glasspack in place of the CAT helps reduce the rasp. Does anyone have a sound clip after replacing their cat with a glasspack ?

I'm gonna try it out and make a new video of before and after at high rpm

Apr 28, 2012 | 10:57 AM

#15

jrollings

In the Staging Lanes

Joined: Apr 2012

Posts: 40

From: Whitestown, IN

Roger that. I did look on youtube last night to listen to a few videos on there on ppl replacing the cat with a glasspack

Apr 28, 2012 | 11:36 AM

#16

BasicConcepts

Overdrive Member

Joined: Oct 2009

Posts: 4,597

From: Greenville, South Carolina

heres my V6 flowmaster cat back and the cat replaced with a glass pack. now it still rasps but not until about 4000 rpm

95 Camaro 3'' flow-master exhaust no cat - YouTube

Apr 28, 2012 | 01:56 PM

#17

jrollings

In the Staging Lanes

Joined: Apr 2012

Posts: 40

From: Whitestown, IN

sounds pretty good man

Feb 21, 2013 | 06:02 PM

#18

afronippleyo

Newbie

Joined: Sep 2012

Posts: 23

From: Modesto, CA

I've always wondered the same thing. To me it sounds like the noise produced by each cylinder kinda blends together. Maybe because the firing order is 1-2-3-4-5-6?

Feb 22, 2013 | 07:30 AM

#19

1slowv6

Newbie

Joined: Sep 2011

Posts: 28

Quote:

Originally Posted by afronippleyo

I've always wondered the same thing. To me it sounds like the noise produced by each cylinder kinda blends together. Maybe because the firing order is 1-2-3-4-5-6?

Unfortunately I don't have the car anymore but I can tell you that most of the rasp came drone the dual 3.5" pipes coming out the back lol one way to get it toned down is decrease the tailpipe diameter