With the M-Engineering ECU flash for the Ferrari 458 and 458 Speciale, adjustments are made to improve the throttleresponse, remove top speed limiters, adjust air/fuel ratios, and modifyignition timing and much more to improve the overall driving performance of the 4.5L engine. M-Engineering still utilizes all OEM ECU engine safety strategies.

On the 458, our Stage 1 tune results in an increase of +25whp & +20ft-lbs tq

On the 458 Speciale, our Stage 1 tune results in an increase of +30whp and +25ft-lbs tq.

PLEASE NOTE – FOR THIS PRODUCT WE WILL NEED YOUR ECU SHIPPED TO US.

Disclaimer: You accept responsibility and risks of any tunes and added features by M-Engineering. If you are not the end user of the car, you will be solely responsible for notifying the purchaser and/or customer they also accept the responsibility and risks of these and M-Engineering is not liable.M-Engineering is also not liable for voided warranties due to installation of our products.

Return Policy:All sales are final and non-refundable.M-Engineering provides specific software calibrations for individual vehicle use and is not liable for misuse or vehicle behavior due to installation error or mechanical issues. M-Engineering will work one-on-one with individuals to assist with remote diagnosis to vehicles to our best ability and advise next-action steps as needed. End-users are responsible for vehicle maintenance, integrity of aftermarket parts installation, and having their vehicles up-to-date with their manufacturer’s latest updates and TSB’s.

The lead time for M Engineering ECU tuners generally ranges from 7 to 28 days from the date of order. This includes order processing, product testing, and shipping.

• Standard ECU Tuners: 7 to 21 days

• Custom ECU Tuners: 14 to 28 days

Shipping time will vary depending on your location. Domestic U.S. orders typically arrive within 2 to 5 days, while international shipments may take between 7 and 14 days.

Please note that these are general estimates, and lead times may vary based on stock availability, customization requirements, and external shipping factors.