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Anyone heard of these small 3" cats?

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Old 09-13-2006, 04:44 PM
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Default Anyone heard of these small 3" cats?

They are on ebay made from T-409 Stainless Steel. Its a spun desgin so its really small 4" across by 11" long. The lenght could be shortend some too. They are just as small as those new magnaflows or the dynatechs. They might not flow as good though, but for less than $50...i'm game.

A couple different sellers, but its the same cat. Model # 410300 Their is also a 425300, which has an O2 bung on it.
Attached Thumbnails Anyone heard of these small 3" cats?-thunderbolt1.jpg   Anyone heard of these small 3" cats?-thunderbolt2.jpg  
Old 09-13-2006, 11:09 PM
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ive got em, but we'll see how the car does. getting tuned this friday at synergy motorsports. i had to get something to help quiet down my true dual setup so i got these, also to help with the smell of fumes.. btw im in CA i dont care for emissions just wanted to tone it down some
Old 09-13-2006, 11:15 PM
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had the exact same ones but the lower cell density ones.... there is two different types on their ebay website

took them off my synergy custom true duals because i wanted LOUD

i've heard there's only about 1~3rwhp difference with them

blows any other high flowing cats out of the water $$$ wise
Old 09-13-2006, 11:44 PM
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wheres the said lower density ones..I can't find em'
Old 09-14-2006, 01:20 PM
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Still can't find em'. You had those with the XS headers right? Were they right off the collector or where? I couldn't fit a cat off the driver side because it tucks so high!
Old 09-14-2006, 01:41 PM
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who makes them????
Old 09-14-2006, 02:44 PM
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Originally Posted by HotWhipT/A
wheres the said lower density ones..I can't find em'
pm me if you want their ebay site

Originally Posted by HotWhipT/A
Still can't find em'. You had those with the XS headers right? Were they right off the collector or where? I couldn't fit a cat off the driver side because it tucks so high!
here's a few pics with them when they were installed on the car with custom true duals (and yes those are the XS Stainless LT's):

driver side



passenger side



Originally Posted by NHRAMAN
who makes them????
non sponsor = pm
Old 09-14-2006, 04:15 PM
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PM sent
Old 09-14-2006, 07:56 PM
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Would these cats pass a visual test?
Old 09-14-2006, 09:37 PM
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Originally Posted by HossZ28
Would these cats pass a visual test?
depending how strict your emissions testing is...

no, i don't think they're OBDII compliant. but i the ref just needs to see cats you should be fine




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