06-11 Honda Civic Si Thermal Throttle Body Spacer Engine Rebuild Kits higher horsepower staged axles are

higher horsepower staged axles are available for more demanding applications

Polyurethane construction delivers durability without adding unnecessary weight

WARRANTY - NGR Performance provides a 1-year warranty on the NGR Manual Boost Controller

Comes with a piece of tailgate molding

06-11 Honda Civic Si Thermal Throttle Body Spacer Engine Rebuild Kits higher horsepower staged axles areIncrease horsepower and torque with our 3 4 inch throttle body spacer. Dyno test on a 2006 Honda Civic Si delivered an impressive 4. 5 horsepower gain at the wheels. Made from 6061 Aluminum and machined in house in the USA, this spacer is built for performance and reliability. Includes: Two thermal gaskets for heat insulation Extended stainless steel Allen bolts Anodized finish for a clean, show quality look Optional Feature: Need more flexibility? A