GLS V6 NEED performance upgrades!
Thread Starter
Junior Member
Joined: Aug 2006
Posts: 1
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Vehicle: 2006 Black GLS V6
GLS V6 NEED performance upgrades!
I just bought a black GLS V6 auto/manulmatic. I want to up grade the performance, who makes what and where do I get it?? Headers, ECU tuning etc?? My bro also has an 06 Tibby, what are the best bang for your buck mods for his car? He also has the auto....
