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Old Feb 22, 2011 | 08:46 PM
  #1  
tinman565's Avatar
tinman565
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Exhaust

Ok...simple question:
Does removing the stock exhaust REALLY make a difference ? I've heard open from turbo back (4")...I've heard just take the cat off...and various other setups. Any real world stories ? Thanks.

Oh...stock 05 F350 SD CC 4x4 DRW (6.0)
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Old Feb 22, 2011 | 09:39 PM
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rdunagan
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if you plan on tuning it at all i would put an exhaust on. if your leaving it stock i would just gut the cat to be honest with you. you might see mgp's increase slightly you might not just depends
 
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Old Feb 22, 2011 | 10:59 PM
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joe blow
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If you tow heavy....straight pipe it 4"! EGT's lowered by ALOT at WOT.

If you just want exhaust to have exhaust....put a 4" turbo back on it and call it good.
 
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