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

Greddy Ti Exhaust with Custom Mid-Pipes

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Old 04-06-18, 08:29 AM
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Defratos
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Cool Greddy Ti Exhaust with Custom Mid-Pipes

So finally got sometime to install the Greddy Ti Exhaust.

As previously stated I had to do a slight modification to the mid pipes to include HFCs (to pass yearly MOT inspection), so I didn’t use the Greddy Ti mid-pipes, instead I had a new set made out of SS with cats and resonator.

I’ve only driven around for like 1 and half weeks and had to travel, loving it the more I drive it and reminds me of how the car used to sound with the Joe-Z Exhaust.

I was surprised to see I had a significant exhaust leak when I took of the OEM exhaust. Driver side bottom was pretty bad, and passenger side Top seems to have started to leak (below pics).

I hope this custom installation should in general give a much better compatibility between the PPE Header flanges and exhaust flanges.

(Driver Side Exhaust flang)


(Passenger Side Exhaust flang)


Below pic of the new pipe alone:


Greddy Mid-pipes vs SS Mid-pipes



Below comparison of both mid-pipes together:







Any finally a short sound clip below:

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Old 04-06-18, 08:48 AM
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Diesel350
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Why did you go with SS mid pipe instead?
Old 04-06-18, 09:20 AM
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^ I don't know of anyone who can weld SS Cats to Titanium
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Old 04-06-18, 09:46 AM
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Looks great, you can see the driver side gasket was leaking exhaust. I hate our exhaust designs. Almost all aftermarket leaks.
Old 04-06-18, 12:32 PM
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Nice!

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Old 07-04-18, 11:47 AM
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Several moths later, how is it? How is the sound with headers, HF cats and titanium mufflers, after everything is broken in?
Old 07-04-18, 01:41 PM
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What brand cats did you use?
Old 07-04-18, 10:58 PM
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msgs350
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Originally Posted by Rickna
What brand cats did you use?
From the pics, looks to be GESI cats.
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Old 07-05-18, 11:50 AM
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Not using the beautiful rear Ti tips and only half of the ti exhaust that's only advantage is weight savings is making my head spin lol. But sounds amazing :P
Old 02-05-19, 09:59 AM
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Originally Posted by Rossi
Several moths later, how is it? How is the sound with headers, HF cats and titanium mufflers, after everything is broken in?
how is it sound level-wise ?
Old 04-24-19, 12:28 AM
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Reviving an old thread, realised I didn't reply to some questions.

Originally Posted by Rossi
Several moths later, how is it? How is the sound with headers, HF cats and titanium mufflers, after everything is broken in?
Last time I drove the car it sounds great, The car is int he UK so I get to drive it one or twice a year, last time was in summer and it sounded better than ever.

Originally Posted by FFM
Not using the beautiful rear Ti tips and only half of the ti exhaust that's only advantage is weight savings is making my head spin lol. But sounds amazing :P
Yes I know, but sometimes you can't have everything and be 100% legal. I wanted to hassle free route which is why I installed the mid-pipes with cats

As for the tips yes the Ti Tips are beautiful but I fell in love with the ISF with how it looks with the oem tips. Love the design and it is subtle. With the Ti tips installed it would have been too pronounced for my liking and I didn't want to have to deal with the tips touching the body.

Originally Posted by Rossi


how is it sound level-wise ?
Sound levels are great, no drone. I did have the Joe-Z catless exhaust installed before this and that sounded great as well with no drone. This has a deeper tone to it from what I remember.

I would have stuck with the Joe-Z but they got lost in transport , but even with the Joe-Zs I would have had the install cats.
Old 04-24-19, 09:25 AM
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What you want for those tips then
Old 04-24-22, 01:39 PM
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Originally Posted by FFM
What you want for those tips then
Bumping an old thread as I Just realised I didn't reply to this...don't plan to sell them as I might install them in future
Old 04-30-22, 12:34 AM
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kudos for keeping up with the thread, not too many follow up
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