Fiat X1/9 with header from Allison's Automotive
1:38
Added: 1 year ago
From: 1565socalmark
Views: 2,052
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  • So I have heard it in person and I was right. Sounds amazing. Not only that, this cars power band has completely changed. This thing pulls all the way to 6500 RPM. It used to stop at about 4500 and now it is just a fire cracker. I am not a header fan at all but what this did to this car was amazing. Dyno sheets show a TWENTY PERCENT boost in HP. Worth every cent.

    pintosnfiats 1 year ago

  • I bet it sounds even better in person.

    pintosnfiats 1 year ago

  • sounds pretty good!

    myronx19 1 year ago

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