dynomax
Try www.summitracing.com and/or www.jcwhitney.com
When I ran Pro7, the rules were very controlling, and noise is always a concern when running at Laguna Seca. I used the Dynomax Ultra Flo SS 2.5 in/out ran under the rear axle, which is pretty tough on a street car.
I ran it 2 seasons, and never had a noise level issue when running the stock manifold, (required by the rules) and straight pipe to the muffler. ITs a tough muffler cause I ran really rich and shot some big flames going into turn 11 at Sears Point.
I bought it when Dynomax had a rebate deal which made the deal even sweeter.
John
I ran it 2 seasons, and never had a noise level issue when running the stock manifold, (required by the rules) and straight pipe to the muffler. ITs a tough muffler cause I ran really rich and shot some big flames going into turn 11 at Sears Point.
I bought it when Dynomax had a rebate deal which made the deal even sweeter.
John
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