4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

headers=tune??

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Old 12-06-2006, 09:14 PM
  #1  
willyd465
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Default headers=tune??

im thinking of christmas ideas, and if i got longtube's would i need a new tune?
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Old 12-06-2006, 09:36 PM
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99mustanggt
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Default RE: headers=tune??

No , will be fine w/o a tune you are just letting the exhaust flow better.
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Old 12-06-2006, 09:43 PM
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gsxrstang69
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Default RE: headers=tune??

You'll be fine without a tune. It could never hurt the car tho to get one. It would only help.
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Old 12-06-2006, 09:53 PM
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willyd465
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Default RE: headers=tune??

thats what i thought, and i can afford to get either headers/hpipe or tuner, not both, so i thought id ask. (i love christmas moneys) lol
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Old 12-06-2006, 10:42 PM
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red2k1gt
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Default RE: headers=tune??

Its going to throw off your A/F a bit and it would help your car to run better if you got a tune but its not 100% required.
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Old 12-06-2006, 10:46 PM
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Silverpimpn
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Default RE: headers=tune??

yea its going to sound ALOT better - but the power gain wont really come untill you get a dyno tune
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Old 12-06-2006, 11:27 PM
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willyd465
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Default RE: headers=tune??

i thought it would throw off my a/f ratio, but wasn't sure, think it would be ok until summer when i can afford to get a tuner?
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