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nikitopo · 03-02-2018, 03:46 AM

@NAEightySix: Get a good tune on your car with a more free air filter and w/o changing the header (stock). You'll get a 10-15 hp peak gain accordingly to the tuner knowledge. You might also get a bit better power on the mid rev range. It depends if the tuner will focus there or not. Will you feel an overall difference? Yes. Then change to an ACE header and a re-tune and compare.

03-02-2018, 03:46 AM	#20
nikitopo Senior Member Join Date: Mar 2014 Drives: '15 BRZ RA Location: Greece Posts: 3,787 Thanks: 2,417 Thanked 1,947 Times in 1,263 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	@NAEightySix: Get a good tune on your car with a more free air filter and w/o changing the header (stock). You'll get a 10-15 hp peak gain accordingly to the tuner knowledge. You might also get a bit better power on the mid rev range. It depends if the tuner will focus there or not. Will you feel an overall difference? Yes. Then change to an ACE header and a re-tune and compare.