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Discussion Starter · #1 ·
So I want to increase overall performance in my sonata and I've looked all over the internet trying to find anyone who has successfully done it with no luck, I know I have the same motor as most Tiburon's the g6ba. So my question is does it work? Is it worth it? Unfortunately I'm getting about 15mpg and have no idea why any suggestions? I have 187k miles religious oil change( full synthetic) alignments 35-40psi in tires premium fuel I really try to keep it in top condition but still bad mpg
Other mods I have are upgraded alternator hid light kit aftermarket stereo and subwoofer
 
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