idea on exhaust, any opinions?

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05-14-2007, 07:30 AM

#21

engineermike

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Quote:

Originally Posted by 95ZRagtop6M

I like my Mufflex 3.5" with the Spintech. It's quiet on the highway and sounds good when I open it up. I'm also very satisfied with the power.

You should make a pass without the muffler. We brought my friend's 3rd Gen IROC with a carb'd 406 to the track. It was pulling consistent 117 mph, then we pulled the 4" Spintech muffler off. The next pass was 120 mph and it stayed there.

Mike

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05-15-2007, 12:11 AM

#22

F8L LT1 Z28

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I would go with LT's and cut-outs.

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05-15-2007, 09:07 PM

#23

95ZRagtop6M

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Quote:

Originally Posted by engineermike

Wow! That's a lot a of HP. I'm turning about 115 mph (3750 race weight) through the pipes. In all fairness, I did request the quietest muffler. I'd be shocked though if I picked up 3 mph since I have cats and a smaller 3.5" pipe. Who knows though.

I'm currently building an LT1 turbo car now, so I'll definately keep this in mind. Maybe I won't run a muffler!!