whiggins

Any good aftermarket exhaust for these cars or is it best to stick with the factory exhaust?

whiggins

sydneyman

Basically bottom line is that you won't gain any real power but you will probably stand to lose some weight (mostly from the rear which isn't ideal) and you'll finally hear your car accelerate. I love my 968 but its "alive" to me now that i have a great growl under acceleration....

That being said, i like my RSBarn exhaust(i have the headers too though...), but there are some other good ones out there. don't worry, others will chime in.

kwikt

Did you feel any "seat of the pants HP" with the headers?

RajDatta

We are trying to work with Fabspeed to develop a high quality exhaust system for our cars. There should be an update on it shortly.

odurandina

i disagree. i've got more power than stock for a brand new engine. and i've got 157 k miles on my old, beaten down engine. and i'd also be willing to prove it by racing anyone to the limiter in 5th gear on any flat stretch of interestate.... provided they don't mind losing.... i gained 7 mph (top speed) over stock numbers by going to a less restrictive system. therefore, my engine is making at least 245~250 hp....


from the following thread see posts #23 and #26;

https://rennlist.com/forums/968-foru...options-2.html






this was a last minute change (done to decrease exhaust SPLs) but also reduced hp (by at least 9).

i don't believe a stock North American 968 ever made 236 hp (as claimed by Porsche).

the real number is probably closer to 225~230 hp.


that all being said, it's a production car. and the stock exhaust's ability to tame the big bad 4 should come as no surprise.

sydneyman

i did. i felt that the power curve was moved up the rpm range a little though. meaning my torque curve comes in a little later than stock. the benefit was a much greater powerband in the 3k to redline range. all of this is seat of the pants feel though, no dyno.

i will say also that the headers added to any exhaust will give it a different sound than with the stock short headers. it sounds more guttural at WOT. i think it has something to do with the large displacement of the 3 liter 4 cyl, you can here the individual pistons through the long tubes... that guttural noise mixed with the bass of most aftermarket exhaust systems creates quite an exotic noise that has made me fall in love with a car that i merely liked beforehand... ymmv...

i bought this stuff as the "stage 2" and i plan on getting the cams as well to complete the package. all of this together will get me to around 270 horsepower at the crank, apparently dyno proven. i only mention the cams because i think the headers will make more sense power wise when the cams come into play. until then i feel like they made a decent difference performance wise but a MAJOR difference in feel and sound. im very pleased.

Lord_Galva

I love the deep sound I get out of my B&B exhaust. http://www.bbexhaust.com/
However I have heard from other members on this forum that the best exhaust is the one you have custom made by an exhaust shop.
Keep in mind any state laws before you start messing with your exhaust first though.

wpb968

Check out the stainless exhaust manufactured by Janspeed in the UK. It is made to order, so expect to wait a couple of months. I ordered it in December and it finally arrived. Even with the shipping costs from the UK, it is priced about the same as the US made cat backs for a complete exhaust including a 200 cell sport cat. I bought mine from a non-Rennlist sponsor in the UK, so I can't say anything more about where to buy. Beautiful welds and quality work. I am sure that some of the UK guys on Rennlist are running the Janspeed exhaust

RajDatta

The system you mention looks very similar to Cargraphics if I remember correctly. I wonder if they build it for Cargraphics.

Damian in NJ

Raj, Cargraphic does own a manufacturing facility in the UK, but it's not Janspeed. I seem to remember 'Eagle' or something badged on my Cargraphic exhaust.

wpb968

Raj,

The Janspeed 968 exhaust is based on a single 2.5" pipe with a resonator after the catalyst. I can post some pictures later today. The Cargraphic 968 exhaust uses a dual pipe design after the catalyst which looks just like the factory Porsche design.

Richy_s

We just had a group buy of Janspeed Cat back systems, cost 400 USD. Build quality looks good cant comment on a lot else as not fitted yet.
They ask for orders of 5 pcs to manufacture now.

Rich

RajDatta

That is a great price, WoW!

Damian in NJ

Maybe it was 'Phoenix' in the UK, that just popped in my mind.

RajDatta

Yuup, I remember seeing Phoenix as well Damian!