Airaid 02-09 Chevy Trailblazer / GMC Envoy 4.2L PowerAid TB Spacer 2007-moto-guzzi-norge-1200-base-esi5871994 which are calibrated on a

which are calibrated on a vehicle-by-vehicle basis to deliver the most desirable sound

Deep Reach Design

requiring only standard hand tools and no frame drilling

BORLA®'S Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Airaid 02-09 Chevy Trailblazer / GMC Envoy 4.2L PowerAid TB Spacer 2007-moto-guzzi-norge-1200-base-esi5871994 which are calibrated on aThe POWERAID Throttle Body Spacer is designed to enhance off idle torque from 800 rpm to approximately 3,000 rpm. The spacer utilizes it's unique, patented Helix Bore design to spin the incoming air charge as it passes through the throttle body spacer. The spinning air action boosts the velocity of the incoming air and contributes to better atomization of the air fuel mixture as the air charge enters the combustion chamber. The end result is more part