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Old 08-21-2007, 03:50 AM   #1
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Default Exhaust system shopping

Next up, exhaust purchase...

I want bang for buck and a deep throaty sound (no buz buz rice burner crap)

FM seems to be great but pricey
or
RB sounds nice but diameter is 2.3
or
custom 2.5 with flowmaster or magnaflow
our
?????

Or what about the conversion to a 1.8 cat to elliminate the 1.6 cat 2" diameter????

what do you suggest
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Old 08-21-2007, 04:01 AM   #2
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Well, why not get a universal cat that is 2.5 or 3" and then find a muffler that is the in/out diameter you want and have a shop weld it all up for you? That is what I am working on right now actually so this thread is timely.
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Old 08-21-2007, 09:06 AM   #3
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see enthuza.com for their budget turbo.
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Old 08-21-2007, 12:41 PM   #4
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+1 on the Enthuza. (and BTW, it's http://www.enthuzacar.com/)

I've got the 2.5" NA Turbo unit, and the sound is absolutely beautiful. Very quiet at idle and cruise, a nice mellow burble on deceleration, and on hard acceleration it lets you know it's there, but it's not overly loud or ricey.

The Aluminized version at $359 is probably the least expensive good-quality turbo exhaust you're going to find.

I also bought a cat from TurboTony that is 2.5" in and out. It was less than $150 if I recall correctly. Choice of cat will vary somewhat with your downpipe, but don't bother trying to convert to a 1.8 style- there are better and cheaper options.
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Old 08-21-2007, 04:43 PM   #5
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I've heard nothing but good things about the Enthuza and if I were to go with a boxed exhaust, that's what I'd get. If you can though, find an exhaust shop and have one built with a flowmaster or magnaflow for half the price of anything on the net.
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Old 08-21-2007, 04:59 PM   #6
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it would be wise to pass on the flowmaster....
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Old 08-22-2007, 01:50 AM   #7
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Brain, why do you suggest against the flowmaster option?

Also, if I went with the Enthuza, just use the stadard 1.6 cat (I have a FM high flow cat) or is it worth the extra $$$ to get the cat from Tony?
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Old 08-22-2007, 02:27 AM   #8
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Flowmaster is for shitty pickup trucks with crush bent mild steel dual exhaust.

Your Miata deserves a Magnaflow.
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Old 08-22-2007, 02:36 AM   #9
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Quote:
Originally Posted by Wideopentuning View Post
Flowmaster is for shitty pickup trucks with crush bent mild steel dual exhaust.

Your Miata deserves a Magnaflow.
My DD ranger has flowmaster with crush bent mild steel dual exhaust. It's badass. lol Really though, it is. Hahahahha
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Old 08-22-2007, 02:47 AM   #10
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Thats like the muffler shop combo of choice I swear!
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Old 08-22-2007, 02:56 AM   #11
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Just bought an Enthuza this morning, and Jason is making me a custom test pipe. W00t! Add that to the pile of parts waiting for me..
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Old 08-22-2007, 03:14 AM   #12
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Borla ProXS is the best muffler, period.
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Old 08-22-2007, 03:50 AM   #13
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Why is that? I am not disagreeing...just curious.
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Old 08-22-2007, 09:53 AM   #14
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Quote:
Also, if I went with the Enthuza, just use the stadard 1.6 cat (I have a FM high flow cat) or is it worth the extra $$$ to get the cat from Tony?
I'm not sure what size the inlet is on the FM 1.6 cat (it's not 2.5") but here's a shot of the Mangaflow I got from Tony next to a new stock cat:


And another:



It's not really worth spending money on a 2.5" catback exhaust if you're going to choke it with a tiny downpipe or catalytic converter.
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Old 08-22-2007, 09:58 AM   #15
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Quote:
Originally Posted by kotomile View Post
Just bought an Enthuza this morning, and Jason is making me a custom test pipe. W00t! Add that to the pile of parts waiting for me..
You know they're just NW of Atlanta right? When you're back you should drive up there and have them install it. Did you get their new 3" duals? They're pure sex.
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Old 08-22-2007, 09:59 AM   #16
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Quote:
Originally Posted by Joe Perez View Post
I'm not sure what size the inlet is on the FM 1.6 cat (it's not 2.5")
I have one laying around somewhere. I think it's 2.25 in and 2.50 out.
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Old 08-22-2007, 10:04 AM   #17
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Quote:
Originally Posted by Danimal View Post
Brain, why do you suggest against the flowmaster option?


vs.



which do you think gives you less backpressure?

Quote:
Originally Posted by Danimal View Post
Also, if I went with the Enthuza, just use the stadard 1.6 cat (I have a FM high flow cat) or is it worth the extra $$$ to get the cat from Tony?
hell no dont use the stock cat, it's the biggest restriction on the exhaust.
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Old 08-22-2007, 10:04 AM   #18
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I have an 'xcelerator' brand muffler, 1 in 2 out. It was spec'd for a Camaro, but happens to fit under the stock miata muffler heatshield perfectly. It's scarry amazing how well it fits.

It sounds bad ***. Just a little more mellow than the enthuza budget single, and quiter but similar to the enthuza turbo duals (old style). Not loud, not buzzing, not droning. I get compliments all the time on it, even from other turbo miata owners.
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Old 08-22-2007, 12:29 PM   #19
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Quote:
Originally Posted by Ben View Post
You know they're just NW of Atlanta right? When you're back you should drive up there and have them install it. Did you get their new 3" duals? They're pure sex.
Nah, 3" single. It'll be waiting for me in Jacksonville when I go on leave.

What size piping do you run Ben? I think I've decided that matching your HP & TQ numbers is my goal and I'm curious what your setup is.
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Old 08-22-2007, 01:52 PM   #20
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Ok so no flowmaster....what about magnaflow?

What is the best Down pipe for a Greddy to go with a larger cat and a Ethuza cat-back?
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