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The Pretender
December 27th, 2009, 13:02
Hey guys,

A bit of an update. Exhaust is finished and we've done some runs on the dyno. Exhaust alone with no supporting mods (or software) has given us a +20hp gain at the wheels... We're pretty stoked on that! The car should be optomized with GIAC software in the coming week - hopefully we can add a bit more to that gain.

Here are some pictures and the dyno graph:

Impressions:

Under WOT the exhaust is simply amazing offering an amazing sound with minimal cabin sound.

It makes the V10 come alive.. I dont think I listened to the radio all weekend.

The sound is refined very remiscent of our world famous Carrera GT system.

Cruising around under partial throttle offers a deeper tone- no resonance and a quiet cabin.

6th gear partial throttle and freeway crusing the system is only about 10% louder than stock

You can easily have a conversation on the blue tooth with no back ground noise.

The complete system is designed developed and built at GMG using our proprietery dual chamber mufflers.

fabryce@gmgracing.com

http://gmgracing.com/images/wcr8exhaust_1.jpg
http://gmgracing.com/images/wcr8exhaust_2.jpg
http://gmgracing.com/images/wcr8exhaust_3.jpg

The Pretender
December 27th, 2009, 13:09
http://gmgracing.com/images/wcr8exhaust_4.jpg
http://gmgracing.com/images/wcr8exhaust_5.jpg
http://gmgracing.com/images/wcr8exhaust_6.jpg

The Pretender
December 27th, 2009, 13:12
http://gmgracing.com/images/wcr8exhaust_7.jpg
http://gmgracing.com/images/wcr8exhaust_8.jpg
http://gmgracing.com/images/wcr8exhaust_9.jpg

The Pretender
December 27th, 2009, 13:14
http://gmgracing.com/images/wcr8exhaust_10.jpg
http://gmgracing.com/images/wcr8exhaust_11.jpg
http://gmgracing.com/images/wcr8exhaust_12.jpg

The Pretender
December 27th, 2009, 13:16
http://gmgracing.com/images/wcr8exhaust_13.jpg
http://gmgracing.com/images/wcr8exhaust_14.jpg
http://gmgracing.com/images/wcr8exhaust_15.jpg

The Pretender
December 27th, 2009, 13:19
http://gmgracing.com/images/wcr8exhaust_16.jpg
http://gmgracing.com/images/wcr8exhaust_17.jpg
http://gmgracing.com/images/wcr8exhaust_18.jpg

The Pretender
December 27th, 2009, 13:22
http://gmgracing.com/images/wcr8exhaust_19.jpg

Video's

A couple videos as well!

http://www.youtube.com/watch?v=_wEn09r478M

http://www.youtube.com/watch?v=rbUeQUZ7SHc

http://www.youtube.com/watch?v=_jpC0Yhu5hs

Ruergard
December 27th, 2009, 19:12
I have to say I think that sounds suits the car very well. :R8:

SAFE4NOW
December 27th, 2009, 21:06
Finish looks excellent!

Is GIAC formulating the software for your system or will it be a gereral software upgrade.

Feel free to PM me info, I'm interested.


Steve

RXBG
December 28th, 2009, 01:00
basically this engine could be capable of 600 hp- just by raising the limiter, reengineering the intake system a bit, and slapping on a less restrictive exhaust. the problem is torque in my opinion.

i wonder if audi will update this engine for the next R8 or start anew with something altogether different.

The Pretender
December 28th, 2009, 01:05
Rumour is that the next Gen R8 gets a 4.0TFSI V8 Overhead Bi-Turbo engine.

RXBG
December 28th, 2009, 15:24
Rumour is that the next Gen R8 gets a 4.0TFSI V8 Overhead Bi-Turbo engine.


that's what i hear. now THAT is something worth waiting for.

can only dream about the specs.

Ricoloco
December 28th, 2009, 16:07
Great sound, how much is it? Any warninglights on the dashboard?