Hard to say how much power I was choking back on the dyno, Greg D was pointing out the bottleneck of the small muffler outlet and recommending I have the exhaust tips cut and modified off the muffler. ConVerTT wanted the whole cat back intact, so I swapped it out for a true 2.5" Thermal Research I had on my vert. Was up ~ 20 hp & 40 TQ on this years dyno but I also added MS manis and new stock CHRAs, so not a true back to back comparison
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