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At Overkill, we specialize in GM's V6 platforms and are proud to extensively support the 3.6 V6 found your GM car or SUV. From exclusive tuning services for several platforms like the Pontiac G8 V6, Equinox Sport and Torrent GXP, to tuning the highest horsepower LFX engines in Camaros, ATS, Impalas and more; come and see what we have for your vehicle!

Find your vehicle below, and pay special attention to those with multiple engine types, select the year of your vehicle to see the right products for your vehicle!


































Ensure to select the right year and engine of your CTS below!