Speciale Exhaust Mod

rockminster · Jan 12, 2021

Are all the IPE mufflers for the Speciale the same? Did they make different models that would make diff exhaust notes?

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ThankfulGuy · Jan 12, 2021

M

rockminster said: ↑

Are all the IPE mufflers for the Speciale the same? Did they make different models that would make diff exhaust notes?

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Click to expand...

My guess is they are all the same.

ThankfulGuy · Jan 14, 2021

obbob said: ↑

Looks like a thread for me, I'm quite familiar with Speciale aftermarket exhausts so hope I can help.

When considering what parts of the exhaust system to install and the impacts they will have:

Headers: will increase volume slightly. Won't change pitch. Will unlock a lot of power if you decide to tune

Cats: will increase volume dramatically if you go less restrictive or decat. Will add a more popping or gurgling noises. Will throw a CEL without a tune (possibility of CEL even with 200cell cats)

Muffler: can increase volume noticeably if you go with a system with weaker mufflers. This part will be the primary influencer on the pitch of the 458.

Most people go with a cat + muffler replacement of some sorts. Headers are less common since they are usually over 50% of the cost of the entire system alone.

Brands differ in terms of approach. Some go for pitch, others volume. This has been my observations from all the systems I've heard.

Pitch (highest to low):

IPE, S-line, FI

Novitec, Kline

Capristo

Akrapovic

Tubi

Volume (high to low):

S-Line, Tubi

IPE, FI, Capristo, Novitec

Kline

Akrapovic

Finally, I have a full header-back Kline inconel system with 200 cell cats on my Speciale, along with their valve controller. Been really impressed with it so far. It's louder than stock but not painful. I never received a CEL but do note that some cars will receive them occasionally even with aftermarket cats.

Hope this helps.
Click to expand...

I went with Kline, full iconel with 100 cell, no headers with an ECU tune.

Thanks again, this post was most helpful.

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Nel1 · Jan 16, 2021

obbob said: ↑

Looks like a thread for me, I'm quite familiar with Speciale aftermarket exhausts so hope I can help.

When considering what parts of the exhaust system to install and the impacts they will have:

Headers: will increase volume slightly. Won't change pitch. Will unlock a lot of power if you decide to tune

Cats: will increase volume dramatically if you go less restrictive or decat. Will add a more popping or gurgling noises. Will throw a CEL without a tune (possibility of CEL even with 200cell cats)

Muffler: can increase volume noticeably if you go with a system with weaker mufflers. This part will be the primary influencer on the pitch of the 458.

Most people go with a cat + muffler replacement of some sorts. Headers are less common since they are usually over 50% of the cost of the entire system alone.

Brands differ in terms of approach. Some go for pitch, others volume. This has been my observations from all the systems I've heard.

Pitch (highest to low):

IPE, S-line, FI

Novitec, Kline

Capristo

Akrapovic

Tubi

Volume (high to low):

S-Line, Tubi

IPE, FI, Capristo, Novitec

Kline

Akrapovic

Finally, I have a full header-back Kline inconel system with 200 cell cats on my Speciale, along with their valve controller. Been really impressed with it so far. It's louder than stock but not painful. I never received a CEL but do note that some cars will receive them occasionally even with aftermarket cats.

Hope this helps.
Click to expand...

Do you happen to have videos that show the sound of your setup?

I would love to get an idea of what the Speciale sounds like with that setup.

Also, what is the sound like inside the cabin? To me the sound inside is more important than the sound outside. Unfortunately, there are not a lot of videos showing the sound inside.
I have seen a couple of setups that sound great outside but inside offers not a good tone and some drone in certain RPMs...

Thanks for your assistance. As others have said, it was very insightful.

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ThankfulGuy · Jan 16, 2021

obbob said: ↑

Looks like a thread for me, I'm quite familiar with Speciale aftermarket exhausts so hope I can help.

When considering what parts of the exhaust system to install and the impacts they will have:

Headers: will increase volume slightly. Won't change pitch. Will unlock a lot of power if you decide to tune

Cats: will increase volume dramatically if you go less restrictive or decat. Will add a more popping or gurgling noises. Will throw a CEL without a tune (possibility of CEL even with 200cell cats)

Muffler: can increase volume noticeably if you go with a system with weaker mufflers. This part will be the primary influencer on the pitch of the 458.

Most people go with a cat + muffler replacement of some sorts. Headers are less common since they are usually over 50% of the cost of the entire system alone.

Brands differ in terms of approach. Some go for pitch, others volume. This has been my observations from all the systems I've heard.

Pitch (highest to low):

IPE, S-line, FI

Novitec, Kline

Capristo

Akrapovic

Tubi

Volume (high to low):

S-Line, Tubi

IPE, FI, Capristo, Novitec

Kline

Akrapovic

Finally, I have a full header-back Kline inconel system with 200 cell cats on my Speciale, along with their valve controller. Been really impressed with it so far. It's louder than stock but not painful. I never received a CEL but do note that some cars will receive them occasionally even with aftermarket cats.

Hope this helps.
Click to expand...

Went with Kline... 100cell iconel minus headers with ECU tune.

should have sweeter note...

rarisauce · Jan 26, 2021

plastique999 said: ↑

To answer your questions regarding IPE full system....
No smell of gas in cabin at all...behind the car yes, you can smell it. This was with full decat.
In regards to CEL, I would say I’d receive a CEL maybe every couple hundred miles. Simply cleared it with an OBDII scanner (kept one in the car).

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Click to expand...

AMAZING sounds no doubt!

458cc · Jan 26, 2021

Music to ears!! That was probably the best sounding Speciale I've heard! Can't imagine how it sounds in person.

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