Find the accessories your tuner or programmer needs or improve functionality of the OBDII port on your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax with the OBDII Splitters & Accessories available. Accessories like extension cables for tuners, programmers, or modules and OBDII covers are available for a variety of applications. If you're looking to add extra electronic accessories that utilize the OBDII port on your vehicle an OBDII Splitter is the solution you need. Shop today at XDP and find OBDII Splitters & Accessories from brands including Bully Dog Technologies, Diablosport, SCT, and many more!
