2015-2017 Coyote Mustang Custom Tune

Boschma's Speed Shop is an authorized Lawn Racing dealer. This is a custom remote tune from Lawn Racing, delivered electronically. After you order, we'll get you set up with Lawn Racing to build and deliver your tune. Questions about your setup? Call us at 608-481-2789 or email bandbracing@sbcglobal.net.

2015–2017 Mustang GT & GT350 (Gen 2 Coyote / Voodoo) Custom Tuning 🦊💨 (NA + Boosted | HP Tuners RTD4 / TDN App & AVID)

Take your S550 to the next level with a fully custom Lawn Racing tune built specifically for your setup — whether you're naturally aspirated or boosted.

This service is designed for use with HP Tuners RTD4 devices and the TDN app, giving you fast, simple flashing and datalogging with real custom tuning behind it. Prefer an AVID device? We’ve got you covered there too.

🔧 Supported Setups

Naturally Aspirated (NA): ⚙️ Intake / Exhaust / Full Bolt-Ons ⚙️ Ported Intake Manifolds ⚙️ E85 / Pump Gas / Race Fuel ⚙️ GT350 High-Rev Optimization

Boosted Applications: ⚙️ Whipple Superchargers ⚙️ ProChargers ⚙️ ESS Superchargers ⚙️ Vortech / Paxton Systems ⚙️ Turbo Kits (Single or Twin) ⚙️ Roush / VMP Superchargers

💪 What You Get

✅ Custom calibration for YOUR exact setup — no cookie-cutter tunes ✅ Datalog review + revisions included ✅ Smooth drivability & clean idle ✅ Safe, consistent power delivery ✅ Aggressive performance when you get into it

Whether you're cruising NA or pushing boost on your GT or screaming that GT350 up top, this is the tune that makes your setup feel right.

Let’s gap them fools with a Lawn Racing tune! 🧡