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RP Supercat vs. RX8Store cat?

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Old 05-23-2006, 01:33 AM
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RP Supercat vs. RX8Store cat?

which one to get? why? i plan to use it with stock everything else (in terms of motor/exhaust)
Old 05-24-2006, 09:02 AM
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I too am intrested. I know many people have the supercat, and seeing that it is not that much more expensive that the Rx8store cat people buy it because of it's good rep. The Rx8store hi flow cat is not as popular, and no one wants to "try" it. If anyone has an Rx8store hi flow cat please post here, and how you like it.
Old 05-24-2006, 09:14 AM
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I'd like to know as well.
Old 05-24-2006, 02:27 PM
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I know that others on this forum have the mid pipe and seem to be happy with it, so I would assume that the high-flow cat would be good as well.
Old 05-24-2006, 09:05 PM
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I have the rp supercat with the stock catback. I love it. Not too loud(my wife did not even notice when I had it installed), but I think there is a little more power mid - upper range.
Old 05-24-2006, 09:13 PM
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Originally Posted by cdove
I have the rp supercat with the stock catback. I love it. Not too loud(my wife did not even notice when I had it installed), but I think there is a little more power mid - upper range.
Did your supercat develop a raspy sound after a few days?
Old 05-24-2006, 10:38 PM
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the rp is a know quaility part.... there have been some issues with the sr motorsport cat...

the rx8store is an unknown....not good or bad, just it just came out and no one has put any real miles on it....

beers
Old 08-09-2006, 11:06 PM
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I have the rx8store.net high flow cat and the MS Sport exhaust. I like it alot and it sounds great. You can drive quietly if you want or you can keep the rpm low and have a growling sound that is deep. If you run hard in the upper rpm's you get a louder agressive sound. Kindof a raspy sound if you lay into it that way. I can say that I do feel that the car revs up faser and there is alittle more torque.

I can get some sound clips if you want.
Old 08-10-2006, 12:02 AM
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I have the rp cat with the ms exhaust and i like it. It is kinda raspy between about 3-5k and kind of annoying when i first got it. Now its either gotten less raspy or i just dont notice it because it doesnt bother me anymore. Below that its nice, deep and low. Above that its very loud, agressive and racecar-ish. I like it.
Old 08-10-2006, 06:58 AM
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RP supercat on a stock exhaust is a little raspy when it's cold. Once it warms up, it sounds great. If it still sounds raspy, you probably have a leak somewhere, so check your fittings... after it cools down of course.
Old 08-10-2006, 11:19 AM
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The RP supercat is more expensive, but I havent heard many opinions about any other cats

RP superact: $395 + $30 for bolt and gasket kit.

RX8store hfc: $345, I dont know if that includes the bolts and gaskets.
Old 08-10-2006, 12:55 PM
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does the two have resonators on already?
Old 08-10-2006, 01:27 PM
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Originally Posted by woodysjh
I have the rx8store.net high flow cat and the MS Sport exhaust. I like it alot and it sounds great. You can drive quietly if you want or you can keep the rpm low and have a growling sound that is deep. If you run hard in the upper rpm's you get a louder agressive sound. Kindof a raspy sound if you lay into it that way. I can say that I do feel that the car revs up faser and there is alittle more torque.

I can get some sound clips if you want.
That would be great, Thank you.

In addition, no one here should feel as though they are taking a "chance" with his products. Jason's prices are as competitive as you can get on most RX-8 parts and accessories and the quality is there if you ask the owner's of his exhausts and midpipes. I personally had the RX8Store exhaust for a couple years and it was well constructed, looked great and sounded awesome. Obligations forced me to sell unfortunately.

Last edited by success07; 08-10-2006 at 01:32 PM.
Old 08-10-2006, 01:56 PM
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Originally Posted by bong
does the two have resonators on already?
No resonator on the rx8store.net cat
Old 08-10-2006, 01:58 PM
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Originally Posted by zsingh
The RP supercat is more expensive, but I havent heard many opinions about any other cats

RP superact: $395 + $30 for bolt and gasket kit.

RX8store hfc: $345, I dont know if that includes the bolts and gaskets.
No bolt and gaskets kit for the rx8store.net hfc. I reused what was on the stock cat and went to the hardware store for stainless steel bolts and nuts.
Old 08-10-2006, 02:27 PM
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I bet those stainless steel bolts and nuts were worth $20 bucks, btw does the RP supercat come with a resonator?
Old 08-10-2006, 05:09 PM
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Im going to offer our hi flow cat with a resonator built in. I will post a price tomorrow.

Jason
Old 08-10-2006, 05:43 PM
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^^^
How about bolt and gasket kit? And does it come w/ a hanger?
Thanx

Last edited by bong; 08-10-2006 at 05:53 PM.
Old 08-10-2006, 05:45 PM
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Originally Posted by zsingh
I bet those stainless steel bolts and nuts were worth $20 bucks, btw does the RP supercat come with a resonator?
No, it does not come with a resonator, but unless you have an agressive catback already, its sweet tones are enough to make you forget you have a stereo.
Old 08-10-2006, 06:54 PM
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rp will add a resonator if you want one
Old 08-13-2006, 04:56 AM
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Have you got a price for the hi flow cat with a resonator built in Jason?
Old 08-15-2006, 09:48 AM
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The highflow cat with resonator is $399.

Jason
Old 08-15-2006, 10:20 AM
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The RP cat is a metallic cat which can handle heat better than our stock ceramic cat. I don't know what type of element the RX8store version will use, but metallic seems to be more durable.
Old 08-15-2006, 08:55 PM
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Originally Posted by brillo
The RP cat is a metallic cat which can handle heat better than our stock ceramic cat. I don't know what type of element the RX8store version will use, but metallic seems to be more durable.
The rx8store.net cat looked metallic to me when I looked down the pipe.
Old 08-16-2006, 12:57 AM
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How many hp does the resonator "steal"? Anyone would like to take a guess?


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