Ok, I want to get a Flowmaster muffler for my car. From what I've heard, Flowmasters only produce the "tinny metallic" sound when you have a gutted cat or no cat at all. A stock cat or a high-flow cat supposedly makes it sound A LOT better. Has anybody had any experience running a Flowmaster before and after taking off/gutting the cat? Also, is the Dynomax 3" high-flow cat any good? Thanks.

 

if you want to run no cats,borla sounds sweet w/ no cat. theyre assembly line sucks though so it might not hang up strait, (I am on a mission to put borla out of business until they fix my system for free) there's a 304 stainless system from SLP looks like twin glass packs in the rear,I bet thats somthin else,expensive though!!

 

I want to keep a cat. Do Flowmasters sound metallic with a cat on? Thanks.

 

I have a Flowmaster and later switched to headers and a high-flow cat. No real difference in sound before or after other than than "tinging" sound that headers make.

My Flowmaster sounded more deep and booming. Most people ask if I have a 383 in my car because of the deepness of the sound.

 

No, they do not. Mine sounds like thunder once the exhaust has warmed up: deep, threatening, and loud.



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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

supposed 'peanut cammed' car (yeah, right)

Built on Wednesday