savage bulldogs Posted February 28, 2017 Posted February 28, 2017 Classics run a tapered "conical fire ring" gasket between downpipe and cat back . If the 3" cat back has a tapered flange the 2.5 fire ring normally seals fine . Generally it's only if the 3 " cat back has a flat flange that it won't seal but I dunno if newage is the same .
Scoobyghost Posted February 28, 2017 Posted February 28, 2017 Mine was flat against the donut. Wasn't ideal.
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