What is the best aftermarket cat?

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Nov 27, 2009 | 03:40 PM

LS12Fast4U

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From: Boise Idaho

What is the best aftermarket cat?

So im currently running without cats but the city i live in is going to start emission testing next year so i have to put cats back on. Ive been looking at different brands but i dont know what to put on.

The one i have been looking at the most is Magnaflows race cat. Its a straight through design. The part number is 14106. Has anyone ran this cat? Or does anyone run something else that flows very well and will not hinder power?

Nov 27, 2009 | 03:43 PM

ranchero83

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From: Fort Worth Texas

help

im new at ls1tech

Could you tell me how to do a post. Thank you

Nov 27, 2009 | 05:16 PM

thewholefnshow1

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From: Chattanooga, TN

These are the best one's IMO cause they fit really good especially in a tight area. Or get on ebay and look up magnaflow metallic cats they look just like these but inside looks a little different inside cause they have like a metal material in them not the original cats.

https://ls1tech.com/forums/lsx-parts...flow-cats.html

You can proably find them cheaper on ebay.

Nov 27, 2009 | 06:32 PM

LS12Fast4U

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So you think i should just go with the magnaflow cats?

Nov 27, 2009 | 07:11 PM

Unertl42

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From: IA

random tech are the best flowing, you can get them from WS6Store, the Magnaflows are also good

Nov 28, 2009 | 12:15 AM

LS12Fast4U

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I will have to see what the price comparison is. Anyone know a good place to buy either of these cats for a good price?

Nov 28, 2009 | 12:43 AM

therealcreeper

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I'm putting on some thunderbolts. $55 for a 3" metallic spun cat, can't beat it. they're even cheaper for ceramic.

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Nov 29, 2009 | 05:14 PM

nytmare1

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From: Fredericksburg, VA

Quote:

Originally Posted by LS12Fast4U

Thunderbolts??? Ive never heard of them.

I've had them on my car for the past 2 years. I have the 3" in 3" out models with the metal insides. They toned the rasp down quite a bit and seem to flow pretty good. I don't know how they compare to Magnaflows, but they're stainless and I've not had a problem with them. Picked them up on eBay for about $50 a piece.