Reviewed By Park H (Elmwood Park, NJ) Reviewed for a 2008 Lexus GS 350 —8/5/2017 6:41 AM
I feel good more performance. and sound changed powerful feel better.
Reviewed By Ronnie H (RADCLIFF, KY) Reviewed for a 2015 Lexus GS 350 —4/18/2017 4:06 AM
Of coarse you won't notice any HP gain. You will notice much improved throttle response and paired with an exhaust this thing really wakes the car up. My GS350 F sport now sounds like it should without the crappy sound generator.