Blow off valve or cold air intake?
I have a '03 VW Jetta and do not know if I should get a shot or tap GReddy a cold air intake injen? Suggestions? I do not know much about either, what is the difference between them?
# 1 bell tap for a 1.8T is a bad idea (it will be a custom job because there is no place for you to mount )..... a bypass valve may be installed to replace the stock, which vents excess boost in consumption instead of the atmosphere. bypass valve or BOV will not give you significant improvements in all your stock car, they are used as protection to the engines high reinforced to prevent damage to the turbo (valve Stock your vehicle inverter did an excellent job that you are using inventory levels boost when). Buy the cold air and notice a difference in sound and performance.
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