STOUT 1
Enthusiast
Why did you purchase the high flow cats that you did? Is there fitment issues with the ovel ones (such as roes)? Is it worth the added cost to get the ovels?
Which high flow cats to buy?
- Thread starter STOUT 1
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TCKTPLZ
Enthusiast
Random Tech Ceramic Cats from Parts Rack. I asked Jon about the non-ceramic cats but he said to get the ceramic ones instead. The non-ceramic cats are only for really high HP applications and they tend to have a more tinny sound than the ceramic cats.
STOUT 1
Enthusiast
Did you get the 2.25" or the 3"?
TCKTPLZ
Enthusiast
What will you be doing with the exhuast system? Will you be changing headers? If so, you have to go with the 3". If you just buy the exhaust then you will need the 2 1/2 inch cats.
I didn't really see the purpose of just buying the exhuast. If you really want the full sound, you need the headers. Not only will it make your exhaust sound much better, but the extra 1/2" in flow really improves performance as well.
Steve 02/RT10
Enthusiast
I went with the ceramic and corsa exhaust and it sounds awesome.
JUCD VPR
Enthusiast
Why back cats? No cats is the way to go 
JUCD VPR
Enthusiast
That is unless you have emissions
SSSSE YA
Enthusiast
Random Tech Ceramic Cats from Parts Rack.
What a difference they made on my Viper, and still passes the CA sniffer..........
STOUT 1
Enthusiast
TCKTPLZ
Enthusiast
rcdice
Enthusiast
I'm running stock exhaust manifolds/shorty headers into RT ceramic 3" cats and B&B 3" catback. Love the sound, sidesills run cooler. Great burble on decel. If I decide to add headers at some point, the 3" cats are already in place. There were no fitment issues.
The car is definitely NOT quiet, but is not Harley loud.
The car is definitely NOT quiet, but is not Harley loud.
ACR steve
Enthusiast
Have the same set up as "rcdice" and I LOVE IT
ACR steve
Enthusiast
Except I have no headers only the stock set up
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