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Old 04-27-2013, 09:46 PM   #1
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Default Best High Flow Cat for ITR?

Hello everyone, I know this question may have been answered already but I need a quick answer. Which high flow cat. converter is best for the ITR? LMK Thanks
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Old 04-28-2013, 07:47 AM   #2
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Default Re: Best High Flow Cat for ITR?

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Hello everyone, I know this question may have been answered already but I need a quick answer. Which high flow cat. converter is best for the ITR? LMK Thanks
I don't know the best one there is. My OEM original went bad a little past 200K miles and I replaced it with a random technology cat, its high flow. Haven't had any issues with it. Not sure if I'll pass Northern VA emissions, but I'll see in a few months when I move.
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Old 04-28-2013, 08:49 AM   #3
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Default Re: Best High Flow Cat for ITR?

Hands down this is the guy that you want to buy a high flow cat from:

smsp and he is Dave.

http://sms-products.com/Converters.html
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Old 04-28-2013, 08:55 AM   #4
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Default Re: Best High Flow Cat for ITR?

Renault or SMSP are no question the best high flow cats available for the ITR. Keep in mind you pay what you get for. Both aren't cheap, but extremely high quality and high flow which is what you are after.
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Old 04-28-2013, 12:01 PM   #5
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Default Re: Best High Flow Cat for ITR?

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Renault or SMSP are no question the best high flow cats available for the ITR. Keep in mind you pay what you get for. Both aren't cheap, but extremely high quality and high flow which is what you are after.
Agreed.
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Old 04-28-2013, 01:31 PM   #6
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Default Re: Best High Flow Cat for ITR?

SMSP for sure : custom made to ur need and specification !
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Old 04-29-2013, 06:14 PM   #7
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Default Re: Best High Flow Cat for ITR?

Thanks for all the replies!
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Old 04-30-2013, 06:25 PM   #8
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Default Re: Best High Flow Cat for ITR?

Anyone know how I can place an order for SMSP Cat...I went to the link and I don't see where I can place an order? Please let me know..Thank
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Old 05-01-2013, 08:54 PM   #9
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Default Re: Best High Flow Cat for ITR?

Anyone know how I can order SMSP Cat. Converter?
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Old 05-01-2013, 09:01 PM   #10
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Default Re: Best High Flow Cat for ITR?

you can try PMing user SMSP here, or email him at smsptech@comcast.net
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Old 05-03-2013, 03:41 PM   #11
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Default Re: Best High Flow Cat for ITR?

Does anyone know if SMSP is still in business? I can't seem to get any response and really need to get a Cat. ASAP. Please let me know anyone?
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Old 05-03-2013, 06:45 PM   #12
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Default Re: Best High Flow Cat for ITR?

Any good quality muffler shop should be able to sell you one to your specs
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Old 05-07-2013, 07:37 AM   #13
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Default Re: Best High Flow Cat for ITR?

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Does anyone know if SMSP is still in business? I can't seem to get any response and really need to get a Cat. ASAP. Please let me know anyone?
It is spring so most race shops are preoccupied with work from teams. I'm not saying your situation isn't important, but consumers are a lower priority when compared with race teams that offer regular business. HyTech and SMSP are not the quickest options, so if you are in a rush a local shop might be your best bet.
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Old 05-07-2013, 09:03 AM   #14
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Default Re: Best High Flow Cat for ITR?

i had a magnaflow race high flow cat for 14k miles and my h22 burned it out. i highly recommend NOT buying a magnaflow
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Old 06-02-2013, 06:17 AM   #15
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Default Re: Best High Flow Cat for ITR?

Op what you could is get a straight pipe/test pipe (omni or alike) and weld the factory heat shield around it to give the look of a cat. My buddy had this done on his boosted em1 and it passed Va emissions and visual
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Old 06-02-2013, 06:53 AM   #16
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Default Re: Best High Flow Cat for ITR?

T1R offers one thru aj racing called a "racing converter" but they don't come with an 02 bung from the looks of it. Has both usdm and jdm lengths available.
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Old 06-02-2013, 09:43 AM   #17
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Default Re: Best High Flow Cat for ITR?

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Originally Posted by dc4teg95 View Post
Op what you could is get a straight pipe/test pipe (omni or alike) and weld the factory heat shield around it to give the look of a cat. My buddy had this done on his boosted em1 and it passed Va emissions and visual
Interesting, never knew this was possible.
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Old 06-03-2013, 09:36 PM   #18
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Default Re: Best High Flow Cat for ITR?

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Renault or SMSP are no question the best high flow cats available for the ITR. Keep in mind you pay what you get for. Both aren't cheap, but extremely high quality and high flow which is what you are after.
:Raises Hand:


I know that California Catalysts are now serialized. I remember paying 200+ close to 300 installed for an OBD1 GSR replacement catalyst, this was about 4-5 years ago. I don't know if this is old pricing, but it seems really reasonable to me, especially if it will pass emmisions. ( Probably wouldn't pass visual here in California though)


http://sms-products.com/Converters.html
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Old 04-17-2016, 09:26 AM   #19
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Default Re: Best High Flow Cat for ITR?

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i had a magnaflow race high flow cat for 14k miles and my h22 burned it out. i highly recommend NOT buying a magnaflow
I have a magnaflow high flow cat on my integra in cali and it passed smog and has been running fine, I'm an h22 guy and know they burn oil early and if tunes and ran on OEM pistons/sleeves you will eventually get blow by for numerous of reasons. A cat just doesn't burn out, it's caused by to rich of tune if tuned or oil burning.
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