any one here use the Mufflex 4" catback set up how do u like it if u do?

 

Iroc 90
Thanks for asking this ?
I was going to ask it but decided to look at the posts before I did.
I am interested also.

My new motor will be needing more then what my current exhaust can handle.

Later
John

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82 Firebird,355,Cam 224/234, .466/.488,TH350 Tranny,650 HolleyDP,Hooker Headers(I.E. POS) Manual steering
Best 8th et 8.62@80mph.
NEW for 01
A 408,dart iron eagle heads,street dominator intake, 750 SD,cam 229/239, .497/.520, Also a big hole in the hood.
Shooting for 12's.

 

I had the 4" Mufflex setup on my '98 Z28 and I loved it. Sounded really mean and the fit was absolutely perfect.

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1987 Firebird Formula
"It's just like a chick...takes all my money!"

 

For my exhaust system, I have the SLP 1 3/4" headers, Random Technologies 3" cat and Mufflex 4" cat back.

It sounds awesome and the fit is pretty good. One thing though, to need this kind of exhaust, you better have a pretty serious engine.

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1991 Formula w/ K&N filter running 11's. MAN THAT IS SOME FILTER!

 

The Mufflex 3.5" works well for engines under 400hp. The workmanship and fit is very good on both.
Fastbird, Random Tech makes a 4" cat. With an extra piece of 4" pipe, cut off the 3" slip, and a little welding it's 4" from the collector on back.

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85 calif. iroc
383/A4
9" rear

 

Thanks seems everyone i have talked to so far
has liked them, i have a 1990 5.7 with the factroy block,ZZ9 cam, Miniram, brodix heads,
slp headers, dfi, and procharger, but no kind
of exhaust and it really really sucks man, so i am going to purchase this 4" system