bo 101317OBX Racing Performance Votex Throttle Body Spacer 03-06 Nissan 350Z Maxima Altima Murano FX/G35 3.5L Precision CNC machined from super lightweight T-6061 T-6 aircraft grade billet aluminum Mega spiral flow design for fuel efficiency, save gas, gain power Faster fuel induction for more horsepower Dyno-tested and proven on race track Backed By Lifetime Warranty Against Defects