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Hello Everyone,

Fabspeed is happy to announce that we are the latest sponsor of your wonderful forum. You may be familiar with us, as Fabspeed has been building exhaust systems for 20 years. We started with Porsche, but have since moved into the Ferrari, Lamborghini, Maserati markets as well. We also have systems for a few individual cars like the BMW M3, Audi R8, AM V8 Vantage, etc. In addition to exhaust systems, we also offer intake systems, ECU tuning,a nd other various performance upgrades.

Our latest project car is the McLaren MP4-12C. We have a very good, repeat customer who has lend us his car for development work. We are planning on making a new sport catalytic converter section, as well as new X-pipe exhaust (as an alternative to the expensive H-pipe exhaust Mclaren offers as an option). We may also consider a few other items, so please stay tuned to the progress.

Please feel free to call, email or PM me at any time with any questions you may have. Thanks!

Jeff
 

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Expsensive iconel H pipe jeff !! Any ideas what you will be making your X pipe from and any HP increase, if its going to be cheaper it would be a good option! as the Mac system dosent offer any extra hp as you know.
Do you have a distributer in Blighty?:)
 

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Expsensive iconel H pipe jeff !! Any ideas what you will be making your X pipe from and any HP increase, if its going to be cheaper it would be a good option! as the Mac system dosent offer any extra hp as you know.
Do you have a distributer in Blighty?:)
Hi Andy,

We are not certain what material(s) we will be offering for our final versions, but we will be using T304L stainless steel for our prototyping. Inconel is not really necessary for the rear exhaust section since there is no restriction and therefore no heat issues. However, if enough people prefer Inconel (or some other stainless/titanium mix) at a higher cost, we will consider it. Please chime in if you have sound reasoning or a preference on this matter!

We ship worldwide, so we can ship it right to you in the UK (or anywhere else in the world). Thanks!

Jeff
 

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Hi Andy,

We are not certain what material(s) we will be offering for our final versions, but we will be using T304L stainless steel for our prototyping. Inconel is not really necessary for the rear exhaust section since there is no restriction and therefore no heat issues. However, if enough people prefer Inconel (or some other stainless/titanium mix) at a higher cost, we will consider it. Please chime in if you have sound reasoning or a preference on this matter!

We ship worldwide, so we can ship it right to you in the UK (or anywhere else in the world). Thanks!

Thanks for the reply Jeff,we will be interested to see what you come up with:)
 

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Welcome! Will be interested to see to what you learn. Perhaps you can engineer a blown exhaust? :)
 

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I have heard from a pretty reliable source that the only power gains are going to be via tune and sport/race 200 cell cats.

McLaren looks to be pretty efficient with their design and I am not sure if I would want to switch out turbos as if it was a Porsche 911 or add a super charger, even if their was room.
 

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cats, headers, intake, turbos and then cylinder head flow. This is from the MOST reliable source you can have.
At some point (unknown) you ll need rods too
 

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Welcome! Will be interested to see to what you learn. Perhaps you can engineer a blown exhaust? :)
Ha! You don't want Charlie Whiting knocking on your door do you?
 

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I have heard from a pretty reliable source that the only power gains are going to be via tune and sport/race 200 cell cats.

McLaren looks to be pretty efficient with their design and I am not sure if I would want to switch out turbos as if it was a Porsche 911 or add a super charger, even if their was room.
I agree. We are in the process of making a fixture for the cats that we removed from our development car. We have no plans to change the turbos at this time. The exhaust probably won't make too much power, however, it will make a nice increase in sound compared to the standard exhaust as well as being a less expensive alternative to the factory sport exhaust.
 

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Discussion Starter #11
Below are some new photos from today which show the the factory sport exhaust option. Also, notice the factory cats (with two sets of cats per side)... they look very restrictive. I am not sure of the exact cell count, but we estimate 750-1000 CPSI. Please let me know if you have any questions. Thanks!
 

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This is my first post, so greetings all!

Somebody mentioned a blown exhaust. I would seriously like that. Can I get flames with it?
 

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This is my first post, so greetings all!

Somebody mentioned a blown exhaust. I would seriously like that. Can I get flames with it?
a blown exhaust with flames would amount to instantanious combustion i would think???
 

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This is my first post, so greetings all!

Somebody mentioned a blown exhaust. I would seriously like that. Can I get flames with it?
Flames may be possible with a full cat bypass section and an aggressive tune, but we probably won't test this setup. Most customer will want to get the sport cats, but we can build a full bypass section if requested.
 

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How do you access to remove de 5 screw of the upper central vent? specially the center bold behind the vent.
I didn't do the work myself, however I know we had to remove the diffuser and rear wheels to get access. The bolts that hold the rear exhaust cover section can only be accessed from below. The spoiler also needs to be removed to get the cover off.
 

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