Hotchkis SFC
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Junior Member
Joined: Jun 2005
Posts: 90
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From: Orange County,CA
Car: 91 Z28, 86 Z28
Engine: 5.7 TPI, 5.0
Transmission: 4L60E/transgo shift kit
Hotchkis SFC
Alright will soon be installing these on my car but I was just wondering if the exhaust on my car will need be to be modified. I currently have 2 cat's on my 91 but I'm going to covert it to a single cat. I'm not coverting to a single cat because of the sfc's but because I'm also going to install SLP headers. Thanks 
Junior Member
iTrader: (1)
Joined: Feb 2006
Posts: 55
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From: North Carolina
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7 TPI, L98
Transmission: 700R4
Axle/Gears: 3.42:1
FYI SLP's with dual cats
You don't have to run a single cat just because you have SLP headers. I'm running SLP's with true duals.
Don't know about the SFC's, just didn't want you to think a single cat was mandatory with SLP's.
Good luck with your SFC install.
Don't know about the SFC's, just didn't want you to think a single cat was mandatory with SLP's.
Good luck with your SFC install.
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