JET Performance 289148S JET Stage 2 Computer Chips/Modules Be Cool Catch Cans The 12-gauge construction provides long-term

The 12-gauge construction provides long-term durability

The Sierra 18-5770-1 bolts in place of your factory ignition module with minimal rewiring — usually a straight plug-and-play with OEM harnesses

Part 65410 is configured for its specific application with attention to fitment requirements

Spring compressor required for safe installation

Hypertech's Hypertech 120081 Hypertech Street Runner Power Chips delivers old-school ECU tuning that defined the aftermarket for decades

JET Performance 289148S JET Stage 2 Computer Chips/Modules Be Cool Catch Cans The 12-gauge construction provides long-termThe JET Performance 289148S JET Stage 2 Computer Chips Modules from JET Performance is a Stage 2 ECU upgrade designed for vehicles with performance modifications like aftermarket exhaust, intake systems, and headers. This performance chip builds on the Stage 1 calibration with more aggressive fuel and timing maps that take advantage of increased airflow. It's the right choice for enthusiasts who have upgraded their engine's breathing and want the ECU