We looked forward to the day when the man who has turbocharged a thousand Volkswagen four-cylinders would pump more ponies into the company's latest GTI. Callaway's turbo conversions are not free ...

Ensure stability before proceeding. Disconnect the battery to prevent any electrical issues during installation. Locate the bolts connecting the exhaust to the manifold. Use a wrench to loosen ...

But cars that do? They'll still wear their tailpipes proudly.

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