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Evo X Backfire.. Help.

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Old Mar 17, 2009, 02:18 AM
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Evo X Backfire.. Help.
I just installed my new custom Catback exhaust its 3" straight pipe with dual 2.5" pipe at the end, no muffler, no resonator, Stock CAT.. Now the car backfires alot "or i think correct term is afterfire ?"
Will this cause any damage to the turbo? or the engine? car is stock besides the exhaust.
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Old Mar 17, 2009, 03:01 AM
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Wait until you remove the "CAT" lol
Don't worry just get a tune.
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Old Mar 17, 2009, 07:49 AM
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In need of a tune.
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Old Mar 17, 2009, 09:39 AM
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Even with an off the shelf AccessPort tune (Perrin Stage 1), after I installed my Perrin CBE I notice the occasional small "pop" every now and then...no backfire...just a small hiccup. I think sounds like this just come with the territory when installing an aftermarket CBE.
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Old Mar 17, 2009, 02:37 PM
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No worries. Don't you like the attention? haha
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Old Mar 17, 2009, 02:38 PM
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A tune will help a bit but you'll still get it. I kinda like it

The best is now you WILL be throwing fireballs/flames if you gun it and then let off the gas.
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Old Mar 18, 2009, 05:32 AM
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Thanks for replying all... i dont seem to get any flames yet just sparks, if i was to get HFC would that make it flame? i have been looking at UR HFC. test pipe is a no go, with the fine of 15k AUD .
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Old Mar 18, 2009, 05:34 AM
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Tune isnt going to fix it. It is just what these cars do with exhausts.. with a test pipe its even worse. You should hear my car... it pops all over the place.
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Old Mar 18, 2009, 06:38 AM
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Tune isnt going to fix it. It is just what these cars do with exhausts.. with a test pipe its even worse. You should hear my car... it pops all over the place.
Does it pop at open throttle too? or at close throttle only?
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Old Mar 18, 2009, 08:02 AM
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enjoy your new exhaust you have no worries
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Old Mar 18, 2009, 08:03 AM
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Get tuned budy
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Old Mar 18, 2009, 08:59 AM
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I love that popping, I don't know what your talking about, "op". I was disapointed when I first bought the car and it was so docile.
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Old Mar 18, 2009, 09:12 AM
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Originally Posted by Deannn
Thanks for replying all... i dont seem to get any flames yet just sparks, if i was to get HFC would that make it flame? i have been looking at UR HFC. test pipe is a no go, with the fine of 15k AUD .
HFC should not make it flame at all, most likely it will limit backfire a lot more than test pipe.
Originally Posted by evofan_08
I love that popping, I don't know what your talking about, "op". I was disapointed when I first bought the car and it was so docile.
+1
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Old Mar 18, 2009, 10:23 AM
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Originally Posted by evofan_08
I love that popping, I don't know what your talking about, "op". I was disapointed when I first bought the car and it was so docile.
I'm right there with you. I draw wood when my car backfires.
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Old Mar 19, 2009, 02:08 AM
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Originally Posted by Tunerhead
HFC should not make it flame at all, most likely it will limit backfire a lot more than test pipe.
3" HFC comapred to stock CAT should make some sort of a improvement ?
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