997.2 has a center muffler which helps

 

Just ordered the fabspeed muffler bypass pipes for my 2008 997S. I'll let you know how it turns out. A guy in my club has them on his 996 and I love the sound.

 

How did it turn out???

 

I left them on for a while, but I couldn't take the drone on the highway. Loved the noise for autocross and track days but couldn't stand it anywhere else. Installation/removal was easy. I took the rear wheels off and removed the metal bumper support (about 1/4" diameter metal tube just behind the rear wheel well) and I had plenty of room to work.

 

seems like everyone eventually removes them. I love loud cars but I couldn't take it either. Went to high flow cats and gundo...couldn't be happier

 

I put these on for about two weeks, crazy loud and they drone so bad it actually makes you physically ill. I tried to put inserts in the pipes to cancel drone but the back pressure hurt performance. I actually used ear plugs untill I had time to take them off. Sold them on this board. The do sound great at full throttle.

 

I wouldn't be surprised if it is the same set that goes from one member to another. i also bought my set on this board and sold it again on this board =)

The drone is just unbearable

 

easy, 3 nuts holding each muffler and then just shimmy them out. bypass pipes slide right onto the cats add a couple of clamps and done.

 

I got Sharkweks's muffler bypass pipes installed on my 997 GTS (with PSE). Love the result. The car is a bit louder when sports exhaust flaps closed, and much louder with lower tone and some burble when opened. I highly recommend this modification; although unless you install your self, be prepared to pay about $630 for install at a steelership.

Here's a video of before / after though it doest capture the sound accurately.. sounds better in person.

Watch "Before/After Sharkwerks Exhaust a CA GTS" on YouTube