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Originally Posted by Gilby
Hi All,
The slip joints at the collecter where leaking badly, making a racket and a mess. I tried Walker Acusti-Seal (what a mess). I figure the DynoMax mufflers may be so restrictive that the backpressure is contributing to the general leakyness. So now I have installed an original set of Cobra exhaust manifolds but this seems to have taken away a bit of power. Any ideas on a leak free header and free flowing muffler combo? I do wan't to stay with the 2" pipes out the back.
Gilby
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Hi Matt and Welcome!
I have the ERA undercar exhaust on my car too and am thinking about how to improve upon it. The issue is we need a fairly narrow muffler. I'd like to run 2 1/2" all the way. My current best bet for muffler are these, Flowmaster Hushpower IIs. They are only 5 1/2" wide.
http://www.flowmastermufflers.com/pr...oducts_id=2646
Then either dump before the rear tires, or "ovalized" 2 1/2" in a mandrel bent horse shoe over the rear suspension. If I can get someone to squish it down to 2" wide past the tires I can have 2 1/2" tail pipes. I'd like to retain tail pipes too but I think 2 1/2" would look okay.
I have the added challenge of having the ERA suspension, the top link of which currently hits my pipes.
I had the best intentions of working on this before our club's dyno day this fall, but I'm having too much fun driving the car and have not gotten to it. Maybe this winter.
Please keep me posted on what you are doing on this issue.
Chuck Brandt