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Buick Grand National Performance Chips - Amazing Buick Grand National Chips

PCD Performance Chip Stage 1
PCD Performance Chip Stage 1
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Make no mistake; your car is fast. But if you want even more power from your classic, then install a Grand National performance chip. Your rare ride will be turning even more heads with the improved throttle response and power that comes from installing a new Grand National chip. These Grand National power chips even come with a knob so you can dial in as much power as you want. With the knob set all the way to MAX, these Grand National performance chips will be supplying more power and torque to your rear wheels. With the knob turned down, our Grand National chips will enable your engine to get better fuel mileage. These Grand National racing chips are really the best of both worlds.

Boost Buick Grand National Fuel Efficiency with Performance Chip
Unlock HP
Improve Buick Grand National Performance with Performance Chips
Performance Chip Installation Guide