integra_ls_2dr

Hey guys i have a 99 prelude base and im going to change the exhaust, an i wanted to know what is the best catalytic converter to use. I dont think i want a test pipe cuz im not racing this car and i would need to pass inspection. But i want something better than the stock converter.

LobeSex

just get a test pipe when ur ready to do an inspetion throw ur stock one back on or just find a inspection place that will pass u no matter wat thats we do down here in san antonio

carnot

you could look for a high flow cat from Summit

bburtonsk8r2

i have been running a random technologies cat.. pretty nice. not sure how much they are. test pipe is good too

gstrudler

car sound (magnaflow) should be fine and are under $100; that's what i'm planning to use in a couple months when i redo my exhaust. make sure it has an o2 bung since your obd2.

meanshyguy

Ebay has magnaflows cheaper, I just bought mine, I got the 53006 round type

Kronn 98SH

Nice choice. :-)

OP, if you're staying with the stock size, here's what you want:

http://cgi.ebay.com/ebaymotors/MAGNA...Q5fAccessories

If you're bumping it up to a 2.5" exhaust, here's what you want:

http://cgi.ebay.com/ebaymotors/MAGNA...Q5fAccessories

uniquesh99

Or quite possibly this, praying the link works.

http://www.easterncatalytic.com/products/directfit.php

There like $120-$130 I think, they're direct fit though!

Made by Eastern Catalytic

Plus they're bolt on not weld flanges at a shop. Save you money, take 5 minutes to swap them out once you snap your rusted bolts

vinuneuro

Both SMSP and Hytech sell excellent catalytic converters:

http://sms-products.com/Converters.html

http://www.hytechexhaust.com/

98vtec

i've been using a magnaflow but i think if i were to do it again (and not have gotten the sweet deal on the magnaflow) i would go with an SMSP cat.

test pipes are dumb for street cars pretty much unless you are turbo.

uniquesh99

I agree totally, you should see the back of my garage door when I didn't have a cat on. Plus the stank the comes out of the exhaust with no cat is horrible

KTeller8

this is what we have used and sold for the past eight years.. warranty and customization is key w/ this item

TruNinja619

Can't beat an OEM catalytic converter IMO, as far as smog reduction goes.

Kronn 98SH

Keep in mind, sometimes it's cheaper to have an O2 bung put in at the muffler shop than buying a cat with an O2 bung already in it.

Inextricabledrvr

Will using the 2.5" cat still allow me to pass smog? I currently have a carsound 2.25" hfc on my 5th gen right now, but I got it 2 yrs ago and I am assuming that I need a new one.

acap310

does anyone have a random technology high flow cat?

bluedlude

regardless of what cat you buy make sure it is OBDII compliant. They usually have a higher cell count than the OBDI.