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.
Switch to the DIESELR CP3 Conversion Kit for Duramax 6.6L LML. Avoid CP4 failure with a reliable, complete install kit. Pump not included. Built to last.
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.
Get DIESELR’s Cat & DPF Race Pipe for 2007.5–2010 GM 2500/3500 Duramax LMM. Stainless steel, mandrel-bent, built to perform. Off-road use only.
Motor Vehicle Exhaust
Motor Vehicle Exhaust