Exhaust 1996 mustang gt

Dat46life

New Member
Aug 26, 2018
4
0
1
Bay area
I put a bassani offroad xpipe on with my existing slp lm1 catback. I ve noticeably lost power. All piping from headers back is 2.50. Original piping was 2.25. I shoulda gained power. Any suggestions to remedy this issue??
 
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