emissions - complete exhaust...

For a 95 z28 A4

Right now it has SLP LM1 and I would like to add a complete exhaust system to it. I need have it all emissions legal.

-Can I have y pipe and long tubes and have it emissions legal?

-Will I need cats? If so, any suggestions.

Just wanted to see what kind of combos you guys would put and any suggestions would be helpful. I plan on doing a 383 with Ai 200cc heads, so can I have this exhaust on now with stock engine or just wait for the build?

thanks ahead

If you have to do tailpipe emissions or if there is a visual inspection, you will surely not pass with long tubes. I would look into a set of shorties or mid-lengths where you can retain the stock or stock-style y-pipe and the AIR and EGR systems. And yes, you can do the exhaust work now on a stock engine. It won't hurt anything and should actually add a noticable power increase.

I did some research and I guess you proved that all I can do are some mids. On summit they have pacesetter headers that come with a 2-piece y pipe that can use the stock converter.

-to get more emissions legal power can I add high flow cats that I've been reading about? Any suggestions on the cats?

I did some research and I guess you proved that all I can do are some mids. On summit they have pacesetter headers that come with a 2-piece y pipe that can use the stock converter.

-to get more emissions legal power can I add high flow cats that I've been reading about? Any suggestions on the cats?

Whether you have a stock cat or a high flow cat, it isn't going to make a traumatic difference to your overall numbers. If you really do want a high flow cat, there are a few good, cheap replacements to choose from: Carsound, Catco, and Pypes.

with mids and stock converter, where is the best place to put electric cutouts? Any brand name suggestions?

with mids and stock converter, where is the best place to put electric cutouts? Any brand name suggestions?

A single cutout in the i-pipe right before the rear axle is the popular spot for most of us.

I have passed with LT's with emissions fittings and a tune on a sniffer rod, get a random tech cat and you will be fine, visual you wont but here they really dont look at it,