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View Full Version : high flow cats...metallic or ceramic


rocko112869
10-19-2010, 12:27 PM
was curious what the consenses is running when it comes to high flow cats...metallic or ceramic.
ctrlraven
10-19-2010, 01:21 PM
Magnaflow SPUN metallic is the way to go unless you want direct OEM style replacement.
SC Cheesehead
10-19-2010, 02:39 PM
http://www.jegs.com/i/Magnaflow/642/94306/10002/-1

FTW
blazen71
10-19-2010, 04:56 PM
http://www.mercurymarauder.net/forums/showthread.php?t=48000
CNGInterceptor
10-28-2010, 08:17 AM
What about this cat right here?

http://www.magnaflow.com/02catalytic_converters/02product/displayuniversal.asp?universal =59556

Like birdman stated - spun metallic - 2.5" inlet and outlet - this should work for a custom 2.5" H or X pipe with Long tubes?
ctrlraven
10-28-2010, 10:02 AM
What about this cat right here?

http://www.magnaflow.com/02catalytic_converters/02product/displayuniversal.asp?universal =59556

Like birdman stated - spun metallic - 2.5" inlet and outlet - this should work for a custom 2.5" H or X pipe with Long tubes?
Yes.

I went with these http://www.magnaflow.com/02catalytic_converters/02product/displayuniversal.asp?universal =54956 which are the next step down from the ones you posted as their limit is 5.2L and 4500 lbs. I purchased them from www.ourdealsrock.net since they are offering a coupon code on all Magnaflow products. Just search for the part number. I picked up two 54956 cats shipped for like $161 and they are plenty fine me being NA.
CNGInterceptor
10-28-2010, 10:22 AM
Yes.

I went with these http://www.magnaflow.com/02catalytic_converters/02product/displayuniversal.asp?universal =54956 which are the next step down from the ones you posted as their limit is 5.2L and 4500 lbs. I purchased them from www.ourdealsrock.net (http://www.ourdealsrock.net) since they are offering a coupon code on all Magnaflow products. Just search for the part number. I picked up two 54956 cats shipped for like $161 and they are plenty fine me being NA.

Thanks! I already had the coupon code for those 2525s so this is tremendous as far as cost saving - I appreciate it
SpartaPerformance
10-28-2010, 10:29 AM
Metallic substrate would be best for hi flow performance.
cougar9150
10-28-2010, 11:37 AM
Check out performancepeddler.com also. Good prices on all their Magnaflow stock.
Mike M
10-28-2010, 12:04 PM
Are they worth anything HP wise?