IS F (2008-2014) Discussion topics related to the IS F model

Borla cat back exhaust Rubbing when accelerate on a left turn

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Old 03-20-14, 08:05 PM
  #16  
JKweezy
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Originally Posted by szhark
i have had the borla for a year and the mufflers are constantly hitting the faux tips.. I had a shop unbolt and fix, but they seemed to slip back again. Going to try myself and tighten the clamps but i dont have a torque wrench.

How much distance should i get from the tips? i have about an inch when cool, but after heat, the exhaust expands and hits.

With no torque wrench, if i try to manually tighten, can i break them?
Goto autozone as they have a loan-a-tool program... else if u have a harbor freight nearby, they sell them for about $10-13 w/ coupon...
Old 03-20-14, 08:18 PM
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digger08
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Originally Posted by psixtc
There is a metal bracket under the car that holds the engine undercover air guide on (I'd guess right under where the front seats are). Check to see if it's hitting that. I was having an issue where my exhaust was hitting something and found my ISS Forged DES contacting that. I pulled it off and gently massaged it with a BFH then painted the areas where I chipped off the paint. Hasn't rattled since.

It's the 51449E in this picture: http://is.sewellparts.com/images/oem...00/511775A.jpg
Not an issue on a Cat Back.


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Old 03-21-14, 08:45 AM
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Gearbangin
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Originally Posted by szhark
i have had the borla for a year and the mufflers are constantly hitting the faux tips.. I had a shop unbolt and fix, but they seemed to slip back again. Going to try myself and tighten the clamps but i dont have a torque wrench.

How much distance should i get from the tips? i have about an inch when cool, but after heat, the exhaust expands and hits.

With no torque wrench, if i try to manually tighten, can i break them?
Same issue here slight vibration with tips. When it warms up will adjust it. Not a big deal.
Old 03-21-14, 09:00 PM
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Weav808
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No problem here after two minor adjustments finding the perfect sweet spot. No matter what exhaust you get, you may need to make a few adjustments after install. I experienced this with a titanium ARC Exhaust on my prior car and the Blitz Nur Spec on another car.
Old 03-22-14, 08:49 AM
  #20  
2010ISFU
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Thank you guys for the info. I had this installed by JE importperformance in Baltimore and they are far from me to go back and check. I will look at this when i do my oil change.

Thanks again everyone!!!!
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