Grimace427
Well-Known Member
I've always heard res delete x-pipe is good for a few hp up top, and res delete h-pipe is good for a little down low torque increase.
People really need to stop reposting this.
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I've always heard res delete x-pipe is good for a few hp up top, and res delete h-pipe is good for a little down low torque increase.
To the point where I ask how high do you hold your pinky finger while sipping your Earl Grey?
DA was quite a bit higher with the afternoon pulls. Depending on correction, that's probably the main reason for any drop. It's negligible at best. Pretty consistent between the pulls though. Morning (pre H-pipe) 416/410 and 415/410. Afternoon (post H-pipe) 414/412 and 409/413. I had just driven about 75 miles at 80-85 with A/C on prior to the afternoon pulls, so it may have been a little more heat soaked too.Impressive torque gain. Looks to be more than just the margin of error. I don't know why there would be any real HP loss at high rpm. The H pipe has to flow at least as well as the resonator at high speed. It doesn't seen logical that the resonator would add scavenging effect more than the H pipe.
Totally agree.To my ears this new pipe sounds simply terrible, way too raspy and hollow, especially compared to the stock exhaust.