Further Engine Mods 3.4L 981 GTS?
#1
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Thread Starter
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Hello, so I have 200 cell cats and performance air filters, have I reached the end of performance mods as an 82mm Plenum is apparently a waste of money and I cannot rebuild my current engine to 3.8L?
#3
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Yea, I'd install a tune if you can. Also, if you're looking for acceleration, just re-gear it.