Whitey13

So next Sunday I'm getting my 1994 Camaro Z28 and the first modification I want to do is the exhaust.

This is my plan: True 3" duals with no cats into 40 Series Flowmasters.

Whaddya think performance wise and sound wise?

Thanks fellow enthusiasts!

ABA383

I have 3" TDs with an X, but used Edelbrock SDT 304 series...Very good flow and nice sound...Not too loud, but roar at WOT, plus they are only 3 5/8" thich which is a huge plus...

--Alan

mdacton

I also have the edelbrock mufflers....they are the thinest i found.

If you can get the flowmasters to work go for it.....should sound good

Whitey13

Thanks guys, that's what I wanted o hear. My goal is to set off some car alarms

2000GTP

True duals are a great idea. I would also consider doing headers as the same time as well for maximum flow and gains.

Whitey13

Indeed. Money is a little short right now since I just bought the car but I was looking at some full length pacesetters for $268. Man that would sound great.

teke184

on a stock car the gains will be minimal over a good catback. just not enough demand for all that flow.

unless you plan to make the car a 500rwhp monster some day...i would suggest a 2.5" setup. little cheaper, lighter, and will allow better clearance.

since its still stock...you could easily get away with some bullets. they'll tuck up nicer and still sound great

2000GTP

Just be advised that those are non-coated headers. If you do get them, I would paint them with a quality header paint before installing.

Whitey13

Interesting...but yes, I do have plans. Well, someday anyway I think the exhaust will be a good start.

Indeed. Thanks for the heads up.

teke184

just realize that 2.5" pipes will still support ALOT of hp...and will probably give you less headaches in the long run on clearance

Whitey13

Yeah, you're right. But there is a guy I know with a 95 z28 with 4" td's. No cats or mufflers, straight through. I should get a pic for you guys to see. There is a lot, and I mean A LOT of pinching and tucking going on. He said he has 4 inches of clearance at the lowest part of the system. Don't know how he pulled that one off. He's got it dynoed in at 710 horse and 785 ft lbs of torque. You'd think he has some sort of backpressure issue even with that power...

teke184

he must have custom headers...cause none that i know of have collectors bigger than 3"

so a 4" pipe would have minimal gains...

Whitey13

You know something mean is coming when you hear that thing.

Whitey13

On a side note, if I went with 2.5" instead of 3", how will it sound differently if at all?

mdacton

If you don't have headers then just save your money and do the project once.