Anyone have the 4" mufflex system? How does it sound? How hard was it to install, did u need to buy anything else to make the kit work. I'm tired of argueing with shops about weither or not it's possible to put dual exhaust on our cars.
Thanks for the help.

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406SBC
-DART SPORTSMAN 2 HEADS
-RPM INTAKE
-750 SPEED DEMON MECH SEC. CARB
-HEDMAN HEADERS
-COMP CAM EX .507/.510

 

The system was not that hard to install. I personally though the hardest part was cutting off that POS system that was on there to begin with. The system comes with everything that you need to bolt it up. The only thing you may have to buy would be some high temp paint so the welds don't rust. Other than that, I don't remember buying any thing else.

Now on the sound issue, from what your sig states, it should sound bad a$$. I'm still running the original 350 in mine and it sound tough!

Hope that helps!!

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'91 Z-28 5.7, SLP 1 3/4 headers, 4 inch Mufflex/Flowmaster cat back, gutted cats, Edelbrock intake, 8.5mm Jacob wires, MSD Blaster coil, S&W subframe setup, Jacob Pro Street Ignition, complete Kenwood system.

 

what kind of headmen headers are you running? long tubes? 1 5/8 or 1 3/4. also, how much is the mufflex system? just curious for my build up. thanks.

 

I believe they are the 1 5/8" full length headers. Not positive though. Bought them 5 years ago when I was 16 didn't know ant better thought headers were headers. Ask for headers at a local speed shop and they gave me those. I think they're too small for my enigine but so's my exhaust.

------------------
406SBC
-DART SPORTSMAN 2 HEADS
-RPM INTAKE
-750 SPEED DEMON MECH SEC. CARB
-HEDMAN HEADERS
-COMP CAM EX .507/.510