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

Custom 2.5 X piped Exhaust to stock mufflers

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Old 03-18-15, 10:18 PM
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F_Throttle
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Originally Posted by ISF_GG
I had the work done at Collins Mufflers in Mission Viejo for $350. Great place!
I like the price and the color they made it. Too bad I am in Norcal.

Does anyone have any leads in norcal?
Old 03-19-15, 02:22 AM
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RichFlair
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Originally Posted by jum3
I like the price and the color they made it. Too bad I am in Norcal.

Does anyone have any leads in norcal?
what part of norcal are you from?
Old 03-19-15, 02:23 PM
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F_Throttle
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Originally Posted by RichFlair
what part of norcal are you from?
SF, and I am usually in the peninsula.
Old 03-20-15, 07:16 AM
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JKweezy
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Originally Posted by Levitics
I did the same on my car, i feel improvement on acceleration and hp probably, not dyno. I know cause cause after racing my friends isf, i was faster than him on highway 😉😃, but on mine i custom double burnt tips at each end, and removed the stock tips... sounds amazing. And really quiet in idle...

This is a picture when i was installing my spoiler, do car is dirty, lol....
Hey levitics. What and where did u get the tips to weld onto the stock muffler to get rid of the stock diffuser/tips?
Old 03-20-15, 09:32 AM
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idoke1
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Originally Posted by Levitics
BTW mine is truly straight pipes with no Xpipe/Hpipe , resonators or mufflers. Truly turn heads more than before.
This was what i wanted to do but i was pretty sure it will drone bad. Does it drone at cruising speeds?
Old 03-28-15, 01:38 AM
  #21  
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I did it.
I finally got a shop to do a Xpipe (replacing 2nd C) to the stock headers. It sounds amazing (no drone, louder stock tone). But they fought me to do 2.25 instead of 2.5. It was so cheap, I couldn't really argue. I will get this dynoed soon.
Old 03-28-15, 07:58 PM
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NIce! I was thinking about doing this the other day.

I'm running a full Borla Cat-Back and was thinking about getting my stock mufflers and having a shop do a section of pipe to the stockies that will slip into the Borla piping.

That way I can switch between my Borla mufflers and my stockies anytime.

My Borla system sounds almost too quiet for me but my wife complains on our long road trips that it's annoying to her.
Old 05-29-15, 02:44 AM
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Alamoudi
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I am planning to do the same but i was afraid from the dron and how loud it would be?? From what u have said i assume it is going to be absolutely acceptable and not too noise while cruising or traveling
Thank you for sharing your axperiance with us and if u could post the video sound of your vehicle that would be much appreciated
Thanks
Old 05-29-15, 11:52 AM
  #24  
idoke1
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Originally Posted by Alamoudi
I am planning to do the same but i was afraid from the dron and how loud it would be?? From what u have said i assume it is going to be absolutely acceptable and not too noise while cruising or traveling
Thank you for sharing your axperiance with us and if u could post the video sound of your vehicle that would be much appreciated
Thanks
Oh i wish i had made that video. I no longer have that set up. I have a full borla exhaust setup and it is loud. But from my original post, it is good. It is just slightly louder then stock and does not drone. Enjoy
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