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Hi-flow cats w/ h/c and emissions

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Old 10-16-2011, 01:32 PM
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Default Hi-flow cats w/ h/c and emissions

Ok guys, here is my dilemma. The shop i went to last year to inspect my car failed me this year for no cats. I'm wanting to pass the inspection bottom line. I have LT dual 3in exhaust and I have hi flow cats I can install, but I'm
Also going to add a 226/234 cam with ported 243 heads. Will this setup bother the cats far as ruining them. If so what are my options? Also I'm looking to install dual e/cutouts in the future too. Your input would be appreciated!
Old 10-16-2011, 01:51 PM
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The cats will do just fine with the head and cam as long as the set up is tuned.

Make sure the cut-outs are not located too close to the O2 sensors which can cause problems (error codes).
Old 10-17-2011, 03:17 PM
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Ok thanks man. Anyone have any pics of their dual exhaust strips with dual ecutouts? Also for people running duals what mufflers are you guys running? My dumped bullets are getting old on the highway.
Old 10-18-2011, 12:29 AM
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I ran Borla Pro XSs on my LT1, loved them but I want Dynomax bullets this time.




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