pacesetters &Cat removal questions

[99v6cam]

1) what is the diameter of the y pipe (the pacesetter one) where it connects to the cat?

2) Does anyone know if removing the cat will increase the rasp or decrese it with headers and loudmouth?

[98Camaro3.8]

1) 3"

2) Will probably make it more raspy, but I don't know for sure.

[blacksport]

Since the y pipe is 3in will you I have to get a 3in exhaust?

Sorry for buttin' into your topic 99v6cam, I hope you dont mind. My question just kind of fit in here.

[99v6cam]

I can answer that, no you don't HAVE to but you definatly should. I was asking how big the y pipe was so I knew what cat to get if i did decide to get a cat so I wouldn't create a bottleneck effect in the exhaust.

[Nathan]

Yeah a 3" exhaust will help out the whole system a lot. I have the pacesetters with a Catco Cat (currently clogged, looking for a better one), and the TSP Rumbler. If you happen to not get a 3" system at the moment you can go and get adapters to go from 3" down to whatever size system you have.

[Jason McCallister]

No cat will increase rasp and decrease drone.

[Little G]

Grab a 12" bullet muffler to put in place of the cat. It will help with the rasp a little.

[93camaro_zzz]

I got Pacesetters for mine recently, and was kinda upset to realize that my Y-pipe is still 2 1/4. It is designed to fit right up to stock. I have a 95 3.4. Is there a part number or something that I can order a 3" one maybe. I have a 3" magnaflow cat-back that would love to also have a 3" cat and a 3" Y-pipe.

[Jason McCallister]

Originally posted by Little G:
Grab a 12" bullet muffler to put in place of the cat. It will help with the rasp a little.

I do have a bullet muffler in place of the cat. Still too raspy for my taste. I won't even open the Borla anymore because it sounds so bad. :(

When I decide to start playing with the exhaust again, I'll install a nice Carsound cat and wear earplugs on long trips. ;)

[99v6cam]

So what are the little fixes that I hear you have to do with pacesetters (i wish someone would post a thread and sticky it with it). Something about welding the flanges or some sh*t like that???

[99v6cam]

Anyone?

[black98V6]

welding the flanges was done on RK Sport headers not pacesetters. I know some people had fitment problems with the pacesetters, they are supposed to have that fixed by now.

[99v6cam]

OH! ok thanks [img]smile.gif[/img]

[Pagan]

I am running 3" pipe without a cat and without a muffler. I have a 99V-6 M5 as well. the rasp I found was mostly due to the enormous and terrible quality reducer cone after the cat.Whe you cut yours off, you will know what I mean.....Its that bad. Also, it made the sound deeper.
My exhaust tone changed when the computer adjusted for the unrestricted flow. I do still have stock manifolds. But with zero restriction in the pipes. I will keep them for somekind of restriction. Ask anyone whos heard mine. It dont sound like no V-6 ;)