well none are the "cheap" haha i'm prob gonna chiill and wait till i can hear/see Fluid motorsports!

 

I opted the Turbo Xs midpipe and cat. Can't complain, but loud with my neighbors.

 

^haha i'm sure the neighbors by my apt will not enjoy hearing it start up at 515am everymorn when i leave for school!

 

all midpipes will sound the same (raspy), the only thing that will make difference in exhaust sound is if it has cat.

I would just get one done in exhaust shop ... should cost around $100

 

Did they have resonator or cat on them? Otherwise with similar bends and similar diameter sound will not be different.

I would get it done at the shop (no point on wasting money for it) and I would get a nice resonator:
http://cgi.ebay.com/ebaymotors/_Car-...4506.m20.l1116

the cheapest that i found was $234 ... although i think 3" is oversize, no need to go more them 2.5"
http://www.good-win-racing.com/Mazda...t/60-1321.html

 

I have experimented with 2 mid-pipes on my RX8. The first is my own pipe which is the B&B that's been around forever. The second was a 3 inch that Charles R. supplied to me.

The B&B has a smaller diameter with a longer, thinner resonator. I doubt it even could be called a resonator as it doesn't seem to do very much.

The 3 inch pipe had a shorter, thicker resonator at a different position on the pipe.

The 3 inch mid-pipe had less drone during normal driving, an overall lower exhaust note and did seem to be quieter in lower RPM operation than the B&B.

I can't say I noticed much of a performance increase but that's mostly due to the fact that all the mid-pipes I've seen that are 3 inches have a smaller neck. This creates a bottle neck effect on exhaust gases.

Overall, I'd say get whichever mid-pipe FLOWS the most amount of exhaust. I'd be sure to ask for that data from any manufacturer you buy from.

 

^ unless you're turbo, 3" exhaust is pointless

Quality of resonator is important to exhaust note ... lower exhaust note and less drone was due to actualy functional resonator

 

That's a pretty broad statement to make. What is useless is going with a larger diameter sized exhaust if the size you're already using flows with zero backpressure.

Since nobody (vendors/manufacturers) have managed to produce any data regarding flow on their pipes with the RX8 exhaust then it's only a guessing game.

There also doesn't appear to be any true 3 inch midpipes with the RX8 on the market as they all have bottle necks at the flanges. So having a 3 inch pipe with smaller diameters on the flanges would be pointless because there's still a restriction.

 

I paid 160 for mine from a forum member here.

He used it for under 10K miles, thing looked near new when I got it. See what you can find around here, used ones go for around 200 bucks.

 

We sell a midpipe for $199
http://www.rx7store.net/category_s/299.htm

That is the cheapest I have seen.

 

^yeah i think tht is the cheapest but with no resonator i'd b afraid it would b CRAZY loud!

 

eh, its not as loud as you'd imagine, ESPECIALLY with the stock exhaust.


It will turn heads at WOT however.