FI resonated test pipes or ART's
Getting ready to pull the cats and have come to a cross road. I can use some opinions on either the FI resonated test pipes or the ART's. Any input at all is appreciated. What type of HP and torque gains also the change in sound.
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09 Sport / MB / 6sd / Nismo"R" Intake / Eibach Pro Kit / Z1 25 row cooler / JWT LW FW / New Short Block 3/11/11 /H&R 15fr 20rr/DBA 4000/FI CB with 12"res./Morel/JL/"Division"mod/SPC/EcuTek/M370/ZEX C SHOT/ART's/NRG
Last edited by tommyguns; 02-26-2015 at 07:18 PM.
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