SlwBirdy

I have a 98 formula. The owner before me had it setup as a sleeper. So its got kooks lt's ory and the stock catback. Is the stock catback choking the car?

jetlag

iTrader: (32)

I don't think it would be too bad. I always get a bullet style muffler on the end of the y-pipe dumped.

SlwBirdy

How bad would my setup be with a borla xr-1 dumped?

jetlag

iTrader: (32)

Not as loud as my Dynomax Bullet..hah

check out www.ls1sounds.com

AznMuscle

iTrader: (7)

With long tube headers, what Y pipe would let me mate to the stock cat back? I have a cutout on right now, is always open, so the flow wont be too bad.

jetlag

iTrader: (32)

I'm pretty sure most Y-pipes come with a narrowed end so they slip into the stock or aftermarket catback.

AznMuscle

iTrader: (7)

Ok thanks. I think Thats the route I'll go with...for now. H pipe later down the road. Sorry for the thread hijack. Put a cutout on the stock I pipe, and I think you will free up enough power.

c0ncEpT

iTrader: (4)

I also have LT's ORY and a stock catback but I do have a cutout. And i'll be the first one to say I think the car is just as fast with the cutout capped as it is open.

SlwBirdy

Ok the guy had the i pipe narrowed to 2 3/4 pipe. i cut it at that point. and now have 3 in pipe to the xr-1 and have it dumped in front of the axle. not quite as loud as id like but great sound. I needed something anyway since vernon is coming up and im going to do bottle and stall before I finish back bumper and skirt conversion.

jetlag

iTrader: (32)

Got any sound clips?


After I get the new stall I'm definitely changing my exhaust...the Pacesetter Y pipe is pathetic. I'll be getting the flowmaster merge collector.

SlwBirdy

No sound clip yet. Got a nasty belt sqeak lol. I like it tho. Didnt want way loud because im going to stall soon. Would be a little much i think for a dd. Im real happy with it tho. Will probable switch to a true dual down the road but this is just fine for now. Vernon cruise is tomorrow i might get a clip then.

LS184

iTrader: (7)

i had lt's ory and stock catback with a cutout.....just slap a cutout in there

krazy4

iTrader: (5)

Cutout on the stock exhaust would be a pretty sweet setup.

orangeapeel

iTrader: (18)

I rocked that for a long time.

s346k

iTrader: (4)

my buddy has a lid long tube 01 b4c. he had an orx and true duals with 4x9 magnaflows dumped at the axle - trapped 109. removed the orx and added the stock catback + ory, the car trapped 107 in much worse conditions. i don't think the stock catback is hurting power much at all with stockish power levels.

SlwBirdy

I didnt get a before an after dyno or time. And with sound hard to really say it's really any faster.

c0ncEpT

iTrader: (4)

http://media.putfile.com/Cutout-closed

Here is my car with stock cat back and the cutout closed. It now sounds even better than that because it has a few leaks in that clip. Plus I have C6 tips on there now. I cant get a good cutout open clip because the camera just distorts the sound because its so loud haha