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

They're gone!! Mufflers deleted!

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Old 06-27-16, 07:54 AM
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ISFHEMS
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Default They're gone!! Mufflers deleted!

I was going to replace the stock exhaust with an aftermarket one (undecided which yet) in the fall, but I just couldn't get rid of that itch that had me craving more loud!!

Went to my local exhaust shop this morning and an hour later I was driving home with the old mufflers in the trunk!

They did an excellent job and the sound is exactly what I was looking for! Best 80 bucks I've spent!

The drone isn't as bad as I thought and I'm still planning on the new exhaust later in the year. (Waiting on the reviews on the H&S)

Old 06-27-16, 08:09 AM
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topguy573
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sounds great. So you just have the mufflers gone? nothing else altered or removed?
Old 06-27-16, 08:26 AM
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zmcgovern4
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Sounds good

I bought my car with the mufflers already removed... sounds OK, but the drone is a little excessive. At certain RPMs the entire interior feels like it is shaking.

I'm planning on buying an X Force Exhaust for a bit more refined sound and some more power.
Old 06-27-16, 08:29 AM
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^ I made the switch from muffler delete to the X force Varex - even in the open position, the Varex has almost no drone. In the closed position it is just like stock.

I think you will be happy with the Xforce. I will be selling my muffler delete Y section very soon..
Old 06-27-16, 08:47 AM
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Thanks for the feedback. I had the mufflers cut off and straight pipes welded on.

This is just temporary until I've decided on the new exhaust. I'm patiently waiting on feedback on the Hayward & Scott but I also like the sound from the Joe Z and X Force.


I'm washing the car at the moment so I'll take better pics later

Last edited by ISFHEMS; 06-27-16 at 08:49 AM. Reason: Added photo
Old 06-27-16, 09:41 AM
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swoo350
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Originally Posted by ISFHEMS
Thanks for the feedback. I had the mufflers cut off and straight pipes welded on.

This is just temporary until I've decided on the new exhaust. I'm patiently waiting on feedback on the Hayward & Scott but I also like the sound from the Joe Z and X Force.


I'm washing the car at the moment so I'll take better pics later
After you deleted your mufflers do you get a popping noise when you decelerate? I researched and most people say its just backfire
Old 06-27-16, 09:47 AM
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Originally Posted by swoo350
After you deleted your mufflers do you get a popping noise when you decelerate? I researched and most people say its just backfire
I only experienced it once but it was a pretty aggressive downshift from 3rd to 2nd in manual mode, apart from that it's more of a nice burble sound.

The video doesn't really do it justice but I'm really pleased with the result and there's no rasp like I've heard on some cat/ resonator delete videos either.
Old 06-27-16, 10:32 AM
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Oooo.. Nothing will compare to the H&S...

-Josh
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Old 06-27-16, 10:37 AM
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Originally Posted by Meraki Autoworks
Oooo.. Nothing will compare to the H&S...

-Josh
hmm, I wonder why you say that!

Should be arriving soon, yes?
Old 06-27-16, 10:44 AM
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Originally Posted by ISFHEMS
hmm, I wonder why you say that!

Should be arriving soon, yes?
Hopefully shipping out this week!!

-Josh
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Old 06-27-16, 10:59 AM
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I too just had this done last weekend but I had the resonator removed as well. Drone isn't bad at all. Anything under or over 2k and it's perfect. I feel as though it lost some low end grunt. Did yours?
Old 06-27-16, 11:21 AM
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Originally Posted by ROYALISF
I too just had this done last weekend but I had the resonator removed as well. Drone isn't bad at all. Anything under or over 2k and it's perfect. I feel as though it lost some low end grunt. Did yours?
Yep, thought it was just me! Next on the list is an APEXi throttle controller, that should cure the problem!
Old 06-27-16, 11:23 AM
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Originally Posted by Meraki Autoworks
Hopefully shipping out this week!!

-Josh
Awesome! There's gonna be a lot of happy peeps out there!
Old 06-27-16, 11:44 AM
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^^^^So did you decide to go with the Hayward & Scott over the X-Force?

And I can't say enough good things about the Apexi throttle controller, you'll love it.

You've got 2 of the 3 most effective mods (#3 being the upgraded front lower control arm bushing).
Old 06-27-16, 11:47 AM
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Not to hijack the thread but where did you get the best deal on the throttle controller?


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