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Diesel Performance Modules
Enhance the power, efficiency and longevity of your diesel engine with plug-and-play performance modules.

Diagnostic Tools
Mulit-brand diagnostic software and cables for all makes of commercial trucks and off-highway equipment.

ECM Tuning
Custom ECM Tuning increases power to match your load, application and the way you use your truck or heavy equipment.
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Exceptional Products Backed by Unbeatable Service You Can Trust
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ECM Tuning
Learn MoreECM Tuning delivers increased horsepower, torque, better performance and improved fuel efficiency.
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Diagnostic Tools
Shop Diagnostic ToolsDiagnostic tools for all makes of automotive, commercial truck, off-highway, powersport and marine applications.
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Technical Support
Contact SupportOur technical support team is available to answer questions and help troubleshoot any problems you may encounter.
Recently Added Products
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Cummins 9.0L Stage 5 2020-2023 Performance Module #12550
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Chevrolet/GMC Denso Common Rail Race Plug
Vendor:PSI Power ProductsRegular price $56.18 USDRegular priceUnit price / per -
40' Extension Cable for 3 & 4 Position Switch Performance Modules
Vendor:PSI Power ProductsRegular price $94.38 USDRegular priceUnit price / per -
Cummins 8.3L & 9.0L 1998-2005 Performance Module #12100
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Cummins 8.3L ISC & 9.0L ISL Tier 4 2010-2019 Performance Module #12200
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Cummins 6.7L 2013.5-2024 Tier 4 Performance Module #12250
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Cummins 5.9L 1998-2003 Performance Module #12300
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Mercedes 6.4L & 7.2L MBE 906/926 1999-2006 Performance Module #15000
Vendor:PSI Power ProductsRegular price $780.90 USDRegular priceUnit price / per -
Mercedes 7.2L 926 2007-2009 Performance Module #15100
Vendor:PSI Power ProductsRegular price $780.90 USDRegular priceUnit price / per -
Hino 7.7L J08E-VC 2010-2016 Performance Module #15200
Vendor:PSI Power ProductsRegular price $893.26 USDRegular priceUnit price / per -
Dodge/Ram/Cummins 6.7L 2013.5-2018 Performance Module #20250
Vendor:PSI Power ProductsRegular price $780.90 USDRegular priceUnit price / per -
Dodge/Cummins 5.9L 1998-2002 Performance Module #20300
Vendor:PSI Power ProductsRegular price $556.18 USDRegular priceUnit price / per
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