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Silly tuning question

Hey guys I hope that I don't get a lot of heat for asking this question, a friend of mine told me that after I tune the car and adjust

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Old 04-12-2012, 03:06 PM   #1 (permalink)
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Default Silly tuning question

Hey guys I hope that I don't get a lot of heat for asking this question, a friend of mine told me that after I tune the car and adjust the AFR, there is a chance that the hiss and a bit of rasp may reduce due to the AFR being adjusted, right now my car is not tuned of course, mods that I have are FI long tube headers amuse y pipe amuse stti exhaust, sounds good, but when I'm driving and I remove my foot from the paddle or down shift there is this annoying loud hiss, like Exess air coming out of the exhaust or something and it's really annoying, so will a tune and adjusting the AFR reduce that because in some way you are adjusting the air that comes in and out of the car? And second question is that I just recently installed the y pipe, had the other mods on way before that, will the rasp and hiss reduce over time once the y pipe breaks in with the other parts?
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Old 04-12-2012, 04:21 PM   #2 (permalink)
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the rasp is something we just have to deal with in this car. i dont think a tweek in afr's will cahnge that much.
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Old 04-12-2012, 04:38 PM   #3 (permalink)
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Originally Posted by edub370 View Post
the rasp is something we just have to deal with in this car. i dont think a tweek in afr's will cahnge that much.
What about the hiss, especially when I take my food off the peddle or down shift
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Old 04-12-2012, 05:44 PM   #4 (permalink)
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Yep. smae sort of thing. both can varie depending on what exhaust setup u get. i believe art pipes are the best thing to combat both of these issues
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Old 04-12-2012, 05:48 PM   #5 (permalink)
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I already have long tube headers installed thus I can't use art pipes please correct me if I'm wrong
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Old 04-12-2012, 06:39 PM   #6 (permalink)
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yes u are correct. sry i had missed that part
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