I looking into a hfc. Pretty much saw a xlr8 hfc, heard good things about it. I don't really want a header, since I daily drive my car, go to NY all the time etc. anywho, any thoughts? I currently have 3 inch full race exhaust, s2 3.5 intake and flashpro.
High flow cat
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06FG2 736.72whp/[email protected] e85/ FA1-R18 Daily FTW
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If you have flashpro and the other bolt ons already then you def need something in the header area. I wouldn't just get the hfc. Maybe not get a race header but I would upgrade the header. There's plenty of ppl that daily their cars with full all out bolt ons along with flashpro of course
06FG2 736.72whp/[email protected] e85/ FA1-R18 Daily FTW
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Race header eliminates a cat.
06FG2 736.72whp/[email protected] e85/ FA1-R18 Daily FTW
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Ok guess my setup was completely balls out without worry of noise or emissions. I ran bcrh,skunk 70mm no cat had to run defouler to pass inspection
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PLM makes a catted header I think right? That would be a good option for the dude.
06FG2 736.72whp/[email protected] e85/ FA1-R18 Daily FTW
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http://www.8thcivic.com/forums/showthread.php?t=302920
This is kinda like how I did it with my Q300.
This is kinda like how I did it with my Q300.
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The only header with hfc that i really found were Tsudo and Invidia. Tsudo is cheap but wasn't really recommended.
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The Invidia doesn't have a high flow cat. I don't believe the Tsudo header does either. I think the only header that came with a high flow cat already on was the Vibrant, but I don't think that's being made anymore.
You can make any header work with a high flow cat. You just have to weld the cat into the exhaust somewhere.
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As others have said, most of the race headers delete the cat. I guess you could weld one in, but I'd definitely make sure it's a HFC so you don't restrict air flow. 
You could stick with something like this:
Berk Technology High Flow Catalytic Converter - Excelerate - HOA - Japanese Performance Specialist
You could stick with something like this:
Berk Technology High Flow Catalytic Converter - Excelerate - HOA - Japanese Performance Specialist
I just went through this with the plm header. They don't have a catted one. I had to have a Vibrant hfc welded into the test pipe section.
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i have berk high flow cat with my cte supercharger setup, been 5kmiles and the exhaust fumes is not as bad as cat delete. also i did went back to stock , removed the blower and return ecu to stock and went on a long road trip , no check engine light for secondary o2 fault. it was nice since it already have a defouler and it work
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I just ordered the Berk hfc cat too. Seemed to be the best option for the money from what I could find out. $220 shipped on eBay, and 70mm outlet to match my tsudo catback diameter. Plus, the defouler is built in so you save an extra $20 or so.
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