JET Performance 189046P JET Six Pack Performance Chips Tachometers This performance muffler from Atech

This performance muffler from Atech Motorsports (MUFFLER) is engineered to replace the restrictive factory unit with a high-flow design that improves exhaust velocity and reshapes the vehicle's sound profile

Product 50818 is verified for correct specifications and dimensional accuracy before shipment

smoother idle

Transmission tuning adjustments improve shift firmness and timing for better power delivery under load

The valve seats are concentric within tight tolerances for consistent ring seal and compression

JET Performance 189046P JET Six Pack Performance Chips Tachometers This performance muffler from AtechJET Performance's JET Performance 189046P JET Six Pack Performance Chips is a Six Pack multi tune module that stores six distinct calibrations accessible via a dash mounted switch or remote. This tuner covers everything from valet mode power reduction to full race fuel and timing maps. It's the ultimate choice for drivers who use their vehicle for multiple purposes and want tuning flexibility at their fingertips. This unit is JET part number 189046.