I'm about to order my Dynomax cat-back, and I need to know what's the best cat converter to get in terms of BOTH flow and emissions. If possible, please also supply part #'s so I can easily order it. Thanks.

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86 Sport Coupe, 2.8 V6, dead stock, but not for long!

Daily driver:
2000 Pontiac Grand Am SE2

"Little girls play with ponies!"
www.geocities.com/camman86

 

Random tech....its 250 but worth it. No part numbers off hand, but its the 3" in and 3" out version

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" I'd rather run last in a full out race, than to NOT run at all ".

 

Any other recommendations? Got part numbers?

 

I just ordered the dynomax thrush cat and it says it flows 26% better than stock. I haven't got it in yet so I can't tell you if there's a big difference in feel or sound, but the thrush is only 89 bucks and jegs.com




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~3.1EyeCandy~

'92 Firebird 3.1

T/A Hood, New Paint, Custom Sound w/subs, T-Tops, K&N fcharger

 

you canget a CATCO from summitt for 59$. Just tell them that you want a generic 2 1/2 converter, but you have to weld it in. The direct bolt in is around 100.

 

I'd rather go with the Dynomax cause on another post here, I heard some bad things about Catco. I heard they fall apart, and some people had higher emissions with them.

3.1Eye, you got the part number on that Dynomax cat handy? Was it 15735?

[This message has been edited by Mikes86SC (edited March 13, 2001).]

 

Yep i had the catco before and didnt pass CA emissions and had to go to random tech.

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" I'd rather run last in a full out race, than to NOT run at all ".

 

Don's Hot Rod shop.
I paid $69 for my 2 1/2 in-n-out back in 90-91. Over 100K miles & it still passes smog!
NOW it's $60
800-888-8892
It's a best value tip, these guys make them for others & they put their name on it!

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Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA

 

Anyone else? Part numbers?