John D II

Thanks, IMO, it really sounds perfect.

PM sent. No drone that I could detect. It is very well mannered....

mac10

REVIEW:

Firstly, I have no skin in the game here and like you I rely on good feedback to make informed decisions. For guys looking for a little more than what their current 991.2 Sport Exhaust offers, the Speedtech exhaust fits the bill perfectly.

As John has such a great reputation in the business when he asked me if I wanted to be the R&D test mule for the design of his 991.2 exhaust system, I jumped at the opportunity with the condition that after he designed it, he would just upgrade my cats to his custom hand made 'high flow' versions and put my stock PSE back in the car.

However, after going down for some testing on Saturday I was quickly turned into a believer. Before posting, I wanted to sleep on it and give it an extra day, as being able to give unbiased feedback is important. After going out again this morning with my wife I am loving the Speedtech exhaust even more! It gives the car a more exotic aggressive tone mixed with some more pronounced and fantastically intoxicating turbo spool sound.

Another great part of the system is it is valve operated just like the stock PSE and can be dialed down when putting the car in normal mode. I would say the quiet mode with the Speedtech exhaust is comparable to the stock PSE in 'Sport Mode' just has a bit more exotic tone. The Sport Mode is a level above that, but it did pass the true test-my wife thought it sounded really good(and I had it in the louder mode the whole time). The other benefit worth noting is the car feels more responsive and overall faster. John(who owns a boosted up 996 Turbo) couldn't believe how unbelievably fast the car was.

Having been there and then watching the posted video I can tell you that the video doesn't do the system the justice it deserves. Really well done. Thumbs up Speedtech! Thank you John and Chad.

stephen k

John would you please pm me pricing as well for both systems. Still wondering if I would go with the Hi Flow Cats + X Pipe or just the X Pipe itself. Are you running 100 cell HJS units on these?

Question about headers for our 3.0TT. Fabspeed made a set and claim there is a power increase. Did you guys just not see the value in making a set or have you made a set in the past for another turbo porsche and did not see the need to make it on current models? Would the sound turn more exotic when changing headers on a turbo car?

seattle_sun

My question is why the x-pipe does anything to the 991.2.

From what I understand, with PSE on and valves open, the center mufflers are already bypassed and essentially are straight pipes.

sechsgang

Headers are VERY rarely done better than by Porsche nowadays, with a few exceptions of course (Kline's inconel headers for instance are motorsport quality). I think its generally just better to focus on cats and back so to speak for the most part for these cars. Granted if you have the money to spend...

sechsgang

They keep saying this, but I always can hear a difference...it may not be huge but its there. X pipe does get rid of that one larger chamber as well...

John D II

There is a substantial difference in sound due to our "X" design and the manner in which the banks are blended. This is a straight through design with no baffles, chambers, dead spots, etc., so the flow is more direct and IMO, the sound is different and improved compared to that of the chambered muffler design. We have not addressed headers at this time due to the reasons mentioned above.

John D II

Here is a link to the new SpeedTech 991.2 PSE Exhaust web page.

SpeedTech 991.2 PSE Exhaust System

-

John D II

A video of the SpeedTech 991.2 Switchable X Pipe valves in operation just became available to us. I thought some of you may be interested in seeing the valves in operation. They work beautifully. Note: It is hard to hear the difference as the video is taken from just under the motor and the motor noise is overpowering the exhaust from this vantage point, but it's a great view of the valves and how smooth they operate.

sechsgang

Sent PM but Ill take the whole system from you guys.

John D II

Cool! Got it and responded....

sechsgang

Got back to you, thanks!

John D II

Our welder just completed fabricating a 991.2 valved X-Pipe, which is now ready for immediate shipment. Contact us for more information and forum discount....

whacky

Any chance anyone has any updated videos on this exhaust option?
Anymore first hand experiences?

Seems like a very attractive sound