Join the Bad Guy Motors email list for product drops, garage inspo, and VIP invites. We'll email a one-time 5% off code as soon as you subscribe.
One-time 5% welcome code
Good on any product or service invoice.
Early access
Be first to hear about limited builds, gear, and events.
Direct inbox
Need help? Reply to any email and the crew will jump in fast.
Prefer texting? Call 403-525-0432 or email support@badguymotors.com.
Dieselr aluminized Cat & DPF race pipe for 2011–2015 GM 6.6L GM Duramax LML - precision fit, smooth flow, and long-lasting aluminized steel.
Custom fitments
Tell us about your platform, performance goals, and timeline. We’ll map the parts, confirm availability, and send back a detailed quote with next steps.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
Order your 2024–2026 L5P RTD4 Tune File Dieselr now. VIN-matched, +180HP single-level tune. ECM unlock required. Includes free updates.
Software
Motor Vehicle Engine Parts