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Well i went to Exhaust Depot and got a Y pipe put on the car. Our y-pipe stock is only 1.75". We put a 2.5" y-pipe on the car and it picked up some power above 5k RPM. Hector said he will be selling these at $250 a piece.
I had been waiting on someone to release something like this.
How much extra power do you think it got out of the Y-pipe?
Did it make the exhaust sound any different?
Some of the previous gens aftermarket y-pipes would make the exhaust a littl emore raspy. I think that the UT y-pipe was designed such that the connection to the midpipe was equal diameter and that eliminated the rasp. I wonder if the same issue would exist for the G37...