Wisher Performance AuxJection Kit | LT1/LT4 Magnuson 2650
Wisher Performance AuxJection for LT1/LT4 Magnuson 2650 Applications
AuxJection is a factory-ECU-integrated supplemental fuel-injection system that adds two port-style injectors without an external controller or piggyback.
Verified vehicle applications
- 2015-2019 Chevrolet Corvette Stingray with Magnuson 2650
- 2015-2019 Chevrolet Corvette Z06 with Magnuson 2650
- 2016-2024 Chevrolet Camaro SS and SS 1LE with Magnuson 2650
- 2016-2024 Chevrolet Camaro ZL1 and ZL1 1LE with Magnuson 2650
- 2016-2019 Cadillac CTS-V with Magnuson 2650
Fitment notes
- Compatible with stock throttle bodies through 103mm bore
- Adds approximately one inch to the supercharger snout
- Does not fit Camaro SS or ZL1 with the standard Roto-Fab intake
- Roto-Fab Big Gulp and JLT large-tube intakes can work with minor modification; other intake fitment is not guaranteed
- Fitment is guaranteed with the stock belt-drive arrangement; aftermarket idler-relocation brackets may create clearance issues
Important requirements
- Custom Wisher ECU software is required; typical stated turnaround is 1-3 business days.
- The first flash must be performed as a “Write Entire.” ECU flashing hardware is not included.
- Select the correct vehicle, flex-fuel-sensor setup, and plate finish.
- Do not use VP Import, Q16, or other MTBE-oxygenated fuels.
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.