Adding HFC to stock exhaust

ceverman3619 · 10-02-2011, 08:30 PM

Do I need to flash the ECU if I add HFC's to my stock exhaust? This is my only mod besides K&N drop ins.

Mandingo · 10-02-2011, 09:15 PM

Just reset the ecu by disconnecting the negative battery terminal for a few minutes.

ww77 · 10-15-2011, 08:17 AM

Have you noticed any difference by adding the HFCs? Sound/ *** dyno? I have been thinking about doing the same thing, keeping stock exhaust with my intakes. What brand did you go with?

Andyy · 10-15-2011, 02:00 PM

Does it sound nice?

seungklee · 10-15-2011, 02:48 PM

i haven't dynoed mine, but it does sound louder and nice! And my butt dyno approves, it definitely pulls harder...

10-02-2011, 08:30 PM	#1 (permalink)
ceverman3619 Base Member Join Date: Sep 2011 Location: Ohio Posts: 56 Drives: 2010 370z Roadster Rep Power: 14	Adding HFC to stock exhaust Do I need to flash the ECU if I add HFC's to my stock exhaust? This is my only mod besides K&N drop ins.

10-02-2011, 09:15 PM	#2 (permalink)
Mandingo Track Member Join Date: Nov 2010 Location: Dallas Posts: 625 Drives: '10 370z 6spd Rep Power: 3371	Just reset the ecu by disconnecting the negative battery terminal for a few minutes. __________________ some mods

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10-15-2011, 08:17 AM	#3 (permalink)
ww77 Base Member Join Date: May 2011 Location: Germany Posts: 45 Drives: On the Autobahn Rep Power: 14	Have you noticed any difference by adding the HFCs? Sound/ *** dyno? I have been thinking about doing the same thing, keeping stock exhaust with my intakes. What brand did you go with?

10-15-2011, 02:00 PM	#4 (permalink)
Andyy Base Member Join Date: Mar 2011 Location: Dallas Posts: 47 Drives: 2011-370z-Silver-7AT Rep Power: 14	Does it sound nice?

10-15-2011, 02:48 PM	#5 (permalink)
seungklee Enthusiast Member Join Date: Oct 2009 Location: SoCal Posts: 291 Drives: you around! Rep Power: 16	i haven't dynoed mine, but it does sound louder and nice! And my butt dyno approves, it definitely pulls harder...