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Ashikabi · 11-07-2018, 06:47 PM

Alright, goodish news on headers. JBA headers for the 04-06 GTO fit... Mostly. Physically mount just fine. There is spark plug interference on the passenger side. Also, the flanges kinda point towards the subframe. I think there is enough clearance for the exhaust guy to make it work. You have about 4 inches linear distance between the flange and the subframe to make something happen. Should be fine

11-07-2018, 06:47 PM	#71
Ashikabi Senior Member Join Date: Aug 2014 Drives: 2013 FR-S Location: Northwest Iowa Posts: 7,359 Thanks: 454 Thanked 4,550 Times in 2,950 Posts Mentioned: 59 Post(s)	Alright, goodish news on headers. JBA headers for the 04-06 GTO fit... Mostly. Physically mount just fine. There is spark plug interference on the passenger side. Also, the flanges kinda point towards the subframe. I think there is enough clearance for the exhaust guy to make it work. You have about 4 inches linear distance between the flange and the subframe to make something happen. Should be fine