Darkhorse SC /GTD Tune

Boschma's Speed Shop is an authorized Shoemaker Performance dealer. This is a custom e-tune from Shoemaker Performance, delivered electronically with no shipping charge. After you order, we'll get you set up with Shoemaker to build and deliver your tune. Questions about your setup? Call us at 608-481-2789 or email bandbracing@sbcglobal.net.

Level  1 Tuning covers stock engine configurations and basic bolt-on modifications, assuming you're using the original, stock-style fuel system AND stock injectors. Level 1 tuning covers vehicles running on 91-93 octane fuel, providing optimized performance for everyday driving with readily available fuel.

Level 2 Tuning covers everything beyond Level 1, including extensively modified or built engines. Level 2 tuning covers vehicles with upgraded return fuel systems, aftermarket injectors, and those utilizing alternative fuels like E85 or Race Gas. Choosing Level 2 allows for maximum performance gains tailored to your specific, high-performance modifications.

**Hptuners only** 
Credits required are:
4 for ECU
6 for TCM