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ZZP Performance 1.4 Bypass valve spring

6831 Views 26 Replies 8 Participants Last post by  Lui
Hey guys i just wanted to let you know that as of now i replaced the stock spring in my 1.4 and i have to admit it sounds way better then before. i also have an AEM air intake in it so that also helps it sound better. before the spring swap it was still pretty quiet. i do recommend having a buddy to help you since when it's time to put the spring in home you can have them hold it in position while you screw it in place. this is not a performance mod but just something to help make driving more fun. just so you know the gold spring is the zzperformance spring. they look the same but it felt a little stiffer then the stock one
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Hmm... describe the sound difference?
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