Chip works great in 03 Chev Silverado 8.1 engine
Chip works great in 03 Chev Silverado 2500 8.1 engine. improved gas mileage about 3 to 4 MPG and improved performance. Product works as advertised.
Dennis
美国
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美国
Chip works great in 03 Chev Silverado 2500 8.1 engine. improved gas mileage about 3 to 4 MPG and improved performance. Product works as advertised.