Ford Mustang Forum - View Single Post - High flow cats, are two different brands ok?
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post #3 of (permalink) Old 03-24-2011
SHELBY GT 350 Member
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Joined: Jan 2009
Location: Dumont
Posts: 6,168
Originally Posted by v6 stunna View Post
U should be ok..but replace both of em ...i have pypes hiflow
thats what he has...

interesting thought though, how do the different pressures affect the engine, one side of the engine might have an increased wear than the other half.. short term it shouldnt hurt badly.. but i wouldnt do it for more than a couple months.. werent you talking about swapping to magnaflow cats anyway since the pypes are circular and give less ground clearance

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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