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Old Sep 4, 2008 | 11:12 AM
  #1  
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my car last dynoed at 307 hp 325 tq with shift kit, free mods, LTs, ORY,3in flowmaster and lid. i now have ls6 intake professional products pully and 85mm TB and hooker areo chamber muffler. my question is what do u think my gains r? TY
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Old Sep 4, 2008 | 11:20 AM
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335rwhp, 345rwtq
good luck!
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Old Sep 4, 2008 | 12:38 PM
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325-335 is my guess. Let us know!
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Old Sep 4, 2008 | 01:38 PM
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Gettin rid of the Flowmaster and upgrading the intake/tb should gain you about 20+rwhp if your Flowmaster is as crappy as everyone claims them to be. I would aim for a 10rwhp pickup and then be happy if I got more than that. Don't expect 25rwhp and then be disappointed if you only see 10-15.
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Old Sep 4, 2008 | 09:58 PM
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sweet thanks guys
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Old Sep 8, 2008 | 02:52 AM
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check my sig give you a rough estimate
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Old Sep 8, 2008 | 09:24 AM
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+17rwhp.
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Old Sep 8, 2008 | 09:27 AM
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I have a flowmaster muffler on my car, at the track with the cutout open it picks up .25 and 3mph. Take this for what its worth
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Old Sep 9, 2008 | 10:28 AM
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about 330rwhp/345 rwtq. the hp seems a lil low with headers...to me anyway. but hopefully that intake will wake it up some.
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