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PLEASE take a vid with the off road pipe. I have similar mods as you
I thought you'd be interested . I really did it for the hp increase and powerband shift with the 4.10's. An additional 35whp and now the car pulls all they way up to 6500rpm!! It's soooo nice.
The car used to rollover at ~5600rpm before, now it just shoots up and keeps pulling. I don't want to ever hear about an LS1's "top end" again. lol.
The exhaust tone has also changed under accel to the point where I'm wondering if it will still "trumpet" at 3k rpm with the off-road pipe. I'm wanting to stick that sucker back in there just to see!
You can see from the vid that I live in a condo w/ attached garage. My neighbors love me now... they might not if I put the off-road back on. that thing was f'in LOUD!