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I reposted this from the performance results section. That area has no activity lately.
I have a 2003 base that i just had dyno tuned with TSP catless longtubes, corsa indys, and a vararam with the powerduct. It made 335 whp and 355 wtq. Those are the numbers it should have made, but it actually feels lazy / less punchy to drive. It definitely feels like the power band shifted to the right. It pulls a little harder in 3rd and 4th but feels like it lossed some torque in 1 and 2. It runs great though, im just unpleasantly surprised by the feel. I want to get it to the drag strip to really see if its pulling the way it should.