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Review on πŸ”§ Spectre Performance 11256 Throttle Body Spacer for GM Trucks 4.8L, 5.3L, 6.2L 2007-2011 - SPE-11256: Enhanced Performance and Fuel Efficiency for Your GM Truck's Engine by Daniel Warren

Revainrating 5 out of 5

positively affects fuel system

Installing a spacer with the cold air induction system resulted in 1.2mpg city fuel economy and instant throttle response.

Pros
  • One year trial
Cons
  • Available in white only