Not sure which 2003 GMC Yukon 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:
"I noticed a 1-1.5 mpg increase and a mid-range power increase in my trucks performance. There is also a whistle now that it makes which sounds kinda cool" —Jason R from Gilroy, CA bought an Airaid PowerAid Throttle Body Spacer for a 2003 GMC Yukon.