Quote:
Originally posted by Dark_5.0
The need for back pressure on a 5.0 is the reason you dont see people putting 3 inch exhaust on a stock stang. It would slow you down.
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I agree. I used to run turn downs for a while...when I was younger, dumber & wanted to have as loud of exhaust as possible. I reinstalled the tailpipes to help quiet it down...& gained a bunch of low end torque back. However, my 1/4 mile time didn't really change but there are so many variables when running at the track that that small amount of torque I gained back may not have shown up on my time slips due to track conditions, weather, inconsistency in my driving, etc.