Fabspeed Catbypass pipes

[phillipj]

Just had the Cat Bypass pipes installed last night on my 99 996. I have the Fabspeed mufflers, chip and cold air kit.

It was raining when I drove it home so I couldnt really test it too much. It's quite loud and seems a bit more responsive. I will see today (it's sunny) if there is any noticable performance gains. I will go to my favorite "go fast" places

If anyone is thinking about doing this themselves I watched my mechanic do the install. It is not such a "a simple bolt on procedure" (at least not as easy as I thought it would be.)

Took an hour with two guys. If you want to do it yourself you will need the special tool to remove the o2 sensors.

I will try to post a video of the sound later. Definetly not for everyone lol! :clapping:

Phillipj

[racerx]

Does installing the cat bypass pipes make the car no longer street legal? what does Fabspeed claim for HP improvements? what do you guess total HP/torque improvement with your changes? Thinking about following a similar route. Good looking car btw.

[phillipj]

Does installing the cat bypass pipes make the car no longer street legal? what does Fabspeed claim for HP improvements? what do you guess total HP/torque improvement with your changes? Thinking about following a similar route. Good looking car btw.

Racerx,

I'm not really sure what total gains I have made by all the changes because I have never dyno'd the car. When I bought it it already had the mufflers, chip and cold ar intake. The bypass pipes do make the car illegal in Cailfornia. Fabsped claims +8hp for the bypass pipes. I do know that I have driven the base 997 Carrera and my car is faster.

It seems a bit quicker but the sound is really harsh. You can crawl around without getting too much attention but when you get on it you will definetly get some head turns. I buzzed the Porsche dealership yesterday and all of the sales people outside looked at me like"what the hell was that!" It sounds quite nasty. (like a cup car)

Funny thing is I was really concerned about the sound so I took my wife for a drive... She thought it sounded fine when I was at slow speed. So I said "Okay let me really get on it and see what you think". Went through the gears at about 6000 rpm and was ready for her reaction to hate it. She looked at me and said "it sounds awesome! I couldn't believe it... Go figure <_<

If you want a good idea what the sound is like go to the Fabspeed site and take a look at the "muffler bypass pipes video" Here is the link http://www.fabspeed.com/996_GT3.html The video link is toward the bottom of the page.

Although the car does run better and is a bit quicker I really miss the fabulous sound of the Fabspeed mufflers.

Seriously think about this if you are going to do it. In retrospect the headers may be a better choice (although a bit pricey). Performace gains without compromising the sound.

I will try to post a video asap.

Thanks for the compliment on my car..it's my baby

Take care

Phillipj