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2L V8 1988 - 1990 GMC K2500 Sierra SLE 350/5
Red Hots are only available in a rich red finish
OEM - 15852641
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52018
Trinity 2 GM E90/T93 Unlock and Tune Kit 9225-R earls-performance 2L V8 1988 - 1990The 2019 2022 (22. 5+ refresh not supported at this time) GM gas trucks have been locked down since their introduction. Owners of these trucks have been waiting patiently for a tuning solution, and DiabloSport has delivered in a big way! The new 9225 R kit includes our industry leading Trinity 2 on dash tuner, along with the locksmith device and harnesses required to unlock both the ECM and TCM in your truck. Once unlocked, the Trinity 2 offers up
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