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mariosg37 · 09-05-2014, 08:35 AM

Own a G37 and want to put on Stillen Headers along with HFC. Stillen was recommending against it due to heat and running lean. Anyone on the forum running headers and HFC?

09-05-2014, 08:35 AM	#1 (permalink)
mariosg37 Base Member Join Date: Sep 2014 Location: Ohio Posts: 5 Drives: 2011 G37 xS Rep Power: 11	Anyone running Stillen Headers and HFC? Own a G37 and want to put on Stillen Headers along with HFC. Stillen was recommending against it due to heat and running lean. Anyone on the forum running headers and HFC?