Increase your low to mid-range power and torque, plus boost fuel economy with the Airaid PowerAid Throttle Body Spacer. Built from aircraft-grade aluminum and featuring the revolutionary Helix Bore design. Straightforward installation with standard tools. 50-state CARB legal. Lifetime Warranty.
Harness the power of Helix with the Taylor Cable Helix Power Tower PLUS Throttle Body Spacer. Dyno and flow-bench tested to deliver massive mid-range power and torque gains, plus a boost in MPGs. T-6061 aircraft aluminum. 50-state CARB legal. 30-day warranty.
Finally, a throttle body spacer that doesn't whistle while it works. The JET Performance Power-Flo throttle body spacers’ innovative bore design gives you gains in the mid-range power band and increases overall fuel economy without the annoying whistle. 50-state CARB legal. 1-year warranty.
Ready to raise your fuel economy by 1 – 3 MPGs while throttling up your low-end torque? Just bolt on a custom EconoAid Throttle Body Booster. This ingenious intake booster helps improve combustion by shaping the air before it reaches your cylinders. Lifetime Warranty.
Not sure which 2008 Ford Expedition Throttle Body Spacers are right for you? We have over 1486 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Very easy to install, noticed an increase of about 1.5 MPG, only drawback is the stage 2 whistling. Not too bad but I like to here the rumble of the pipes better but overall not bad, also noticed a little added HP between 0 to 60!" —Jerry S from Tucson, AZ bought a Taylor Cable Helix Power Tower Throttle Body Spacer for a 2008 Ford Expedition.