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

Muffler Delete to 2nd Cat Delete (Video)

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Old 04-19-14, 06:03 PM
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QCisf
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Default Muffler Delete to 2nd Cat Delete (Video)

Just made the 2nd cat delete yesterday ! Jessuuss it sound sweet. The car make 2x less noise when it start and when I drive slowly but at WOT the sound is crazy. I also welded 3.5'' Magnaflow tips to replace my 3'' titanium burnt tips (they was a bit small for the bumper hole). Next step is a complete custom X-pipe with resonator delete to have a full dual exhaust

Attached Thumbnails Muffler Delete to 2nd Cat Delete (Video)-10151230_10152046976860848_182492859258098330_n.jpg   Muffler Delete to 2nd Cat Delete (Video)-10246514_10152046976865848_9046070739829821308_n.jpg  
Old 04-19-14, 07:54 PM
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tmf2004
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sounds good....
Old 04-21-14, 08:03 AM
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IronNam
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those two angled pipes you show must be hurting the power....
Old 04-21-14, 09:33 AM
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cremaster
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those crimped pipes...
Old 04-21-14, 02:42 PM
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QCisf
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Originally Posted by IronNam
those two angled pipes you show must be hurting the power....
Originally Posted by cremaster
those crimped pipes...
It must be the way the pictures was took but it's very not that bad in person
Old 04-22-14, 05:45 AM
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UNVMYISF
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I'd be interested to see the power difference in your stock exhaust vs. the setup you have now.
I recently went from a straight pipe setup to full Borla. I can notice more power with the Borla for sure, but I'd like to know if you lost or gained power.
Old 04-22-14, 05:59 AM
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jdm_altzza
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Mandrel bend should have been the option for the crimped pipes there. Nonetheless they sound amazing. I kinda had the same set up you had.
Old 04-22-14, 10:35 PM
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I8ABMR
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I am so tempted to drop a borla axel back on my car but keep hesitating because i know the drone is going to be annoying
Old 04-23-14, 02:04 AM
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tmf2004
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Originally Posted by I8ABMR
I am so tempted to drop a borla axel back on my car but keep hesitating because i know the drone is going to be annoying
just so the muffler delete?
Old 04-23-14, 04:27 AM
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ap2s2k
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Originally Posted by I8ABMR
I am so tempted to drop a borla axel back on my car but keep hesitating because i know the drone is going to be annoying
Just get full borla dual cat back, I did 2 weeks ago and there is absolutely no drone, did aprox. 400 miles on it and it sounds amazing, specially when on a strip . Little louder then stock on cold start but when warmed up it sounds awesome, plus you gain some extra hp compered to axle back.
Old 04-23-14, 06:46 AM
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VtotheJ
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Originally Posted by I8ABMR
I am so tempted to drop a borla axel back on my car but keep hesitating because i know the drone is going to be annoying
Just do the muffler/2nd cat delete. You will definitely gain some hp and be faster on the track. the mufflers and cats weigh at least 50lb together. Not to mention it sounds insane. If you're sensitive to drone, however, it might not be the best thing to do. I still get compliments to this day on the exhaust setup.
Old 04-26-14, 08:50 AM
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collinedw
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Did you delete the rear mufflers? Or just the
Center muffler? I can't tell from the pics. I have
Dual Tips like yours with deleted resonator. Great value
As far as
Price and sound improvement.
Old 04-26-14, 08:58 AM
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2GSKaizen
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Sounds really good.
Old 04-28-14, 05:18 AM
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QCisf
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Originally Posted by collinedw
Did you delete the rear mufflers? Or just the
Center muffler? I can't tell from the pics. I have
Dual Tips like yours with deleted resonator. Great value
As far as
Price and sound improvement.
I deleted the rear mufflers and replaced them by aftermarkets one (less restricted) to be able to weld the Magnaflow tips.
Old 04-28-14, 09:34 AM
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collinedw
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Oh okay Gotchya. What mufflers? Magnaflow? I ur same set up with dual 40 series on my last one. My drone was terrible.
Bet yours is bad lol


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