4IN. DOWN PIPE - Ford Powerstroke Diesel Forum
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  #1  
Old 08-18-2007, 05:53 AM
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4IN. DOWN PIPE

WOULD THERE BE ANY POWER TO GAIN OR LOWER EGTS BY SWITCH FROM A STOCK DOWN PIPE TO A 4IN. I ALREADY HAVE STACKS BUT MY EXHAUST GOES FROM 3 OR 3 1/2 TO 4IN THEN TO THE 5IN. STACKS I WANT TO MAKE IT ALL 4 INTO 5 WOULD THERE BE ANY BENEFITS FROM DOIN THIS I ALSO HAVE NO MUFFLERS
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Old 08-18-2007, 06:11 AM
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I would imagine your EGTs would drop, maybe a slight power increase as well. My EGTs dropped when I put my 4in down pipe on.
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Old 08-19-2007, 03:00 AM
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mine dropped when i switched to a 4" down pipe
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Old 08-19-2007, 03:10 AM
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Yeah, should run cooler.
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Old 08-20-2007, 10:47 AM
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You wont feel anything seat of the pants but you will drop about 100 at max EGT.
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Old 08-20-2007, 04:41 PM
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I just put on a 4'' turbo back saturday. The stock pipe was already straight. The only differance is the bottom end power seems smoother, lowered temp, and sounds better.
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Old 08-20-2007, 06:47 PM
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anyone know who i can get a 4" down pipe and mid pipe to my stacks
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