Get In Touch

Talk to our engineers.

Calibration questions, hardware inquiries, or dealer applications, send us a message and the right person will get back to you.

[ Direct ]

Reach us directly.

General

Phone

Headquarters

Hours

Mon–Fri 9 AM–6 PM · Sat 9 AM–4 PM · Sun Closed (CT)

[ Become a dealer ]

Run a high-end shop and want to represent Stage 4 Tuning? Tell us about your business in the form and select “Dealer inquiry” as the topic.