Semi-Truck Chips & Tuners

Diesel Decoder Diagnostic Scan Tool DLDP1 Our most power Diesel Diagnostic tool without the need of expensive scanning hardware delivering you all true system trouble codes at the palm of your hand! Immediately Start Reading All True System...

Cummins ISX15 X15 Big Boss Stage 1 Performance Kit By PDI *This product is NOT legal in California. Raney's is not responsible for legal ramifications. Big Boss Stage 1 Performance Kit Fits Cummins ISX15 And X15 Engines Available For Years 2011-2013...

ECM Big Boss Performance Tuner By PDI Tuning Has Always Been The Simplest And Most Efficient Way To Access The Fuel Economy And Horsepower That You Deserve! *Product Not Eligible for Return After Purchase! *Please Verify Your Diagnostic Port Pin Style...

ScanGauge D Diagnostic and Performance Monitor *Check out our ScanGauge Product Comparison! Diagnostic and Performance Monitor Compatible with Most Diesel OTR Vehicles (1987 & Newer) Compatible with Both Imperial and Metric...

ScanGauge KR Diagnostic and Performance Monitor *Check out our ScanGauge Product Comparison! Diagnostic and Performance Monitor Compatible with Most Diesel OTR Vehicles (1987 & Newer) Available with an Optional Windshield Mount Unique...

Bully Dog Heavy Duty ECM Tuner *Product Not Eligible for Return After Purchase! *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Heavy Duty ECM Tuner Works With The Following Engine Types...

Bully Dog Heavy Duty Watchdog Engine Monitor *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. *Item is not returnable once it has been programmed and set up with your vehicle. Heavy Duty Watchdog...

Bully Dog Heavy Duty Gauge Tuner (See Chart Below for Fitment) *Product Not Eligible for Return After Purchase! *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Heavy Duty Gauge Tuner Works With...