Not Ranked
I have the dyno numbers with the old pipes circa 1997 and am installing Classic Chambered's 2 1/2" core x 30" mufflers this week. I should have 'em coated and back at the dyno in another week or so, so stand by and I'll have some comparison numbers for you guys. I replaced the Performer 390 with a Performer RPM intake as well. Stay tuned...
John
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