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Unleashing the Beast: VAITRIX BMW X5 xDrive25d Gets an Emission Delete & Straight-Pipe Roar
There’s something incredibly satisfying about taking a capable diesel and liberating every bit of its hidden muscle. That’s exactly what...
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Jun 302 min read
Why Your Car Might Be Running Rich or Lean — and What to Do About It
“Too rich in the top end, too lean in the low end!” That’s exactly what we found with a VF V8 that had been back and forth to its...
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Jun 172 min read
Unleashing the Beast: Tuning the 2015 Porsche Macan 3.0L TDI
When it comes to optimizing performance, the 2015 Porsche Macan 3.0L TDI has more potential than meets the eye. After some expert...
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Jan 92 min read
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