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skibik · 11-07-2013, 05:42 PM

I had my HFC's installed by a local mechanic and I haven't had a problem with any codes roughly the 5k miles they have been on. My set come with O2 extensions but I can't remember off hand if they go in the front O2 holes or the rear. Just make sure you have them installed and in the proper bungholes. It was my understanding when I asked Solo about the extensions it was for the purpose of eliminating the codes due to the cats being high flow and able to filter up to 6 liters each.

Dean.

11-07-2013, 05:42 PM	#8
skibik Guest Drives: bbbbbb Join Date: Dec 2012 Location: bfe Posts: 713	I had my HFC's installed by a local mechanic and I haven't had a problem with any codes roughly the 5k miles they have been on. My set come with O2 extensions but I can't remember off hand if they go in the front O2 holes or the rear. Just make sure you have them installed and in the proper bungholes. It was my understanding when I asked Solo about the extensions it was for the purpose of eliminating the codes due to the cats being high flow and able to filter up to 6 liters each. Dean.