What adds power that you can feel
#41
I installed a 3" mid pipe with a aftermarket muffler 4"tips (same as stock) on mine and it felt a helluva lot free than before. I think the stock mid pipe is very constrictive and the stock muffler is heavy.
I was at the TRACK the other day and was on my friend's 650i rear bumper from a dead stop. I can't explain how much better the car feels and even shifting up and down is smoother because of less back pressure.
I also have the 5/16 Motordyne spacer.
I was at the TRACK the other day and was on my friend's 650i rear bumper from a dead stop. I can't explain how much better the car feels and even shifting up and down is smoother because of less back pressure.
I also have the 5/16 Motordyne spacer.
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