best spark plugs for direct injection
Before testing the Bosch 96347 EVO Spark Plug for Turbo GDI Engines (10 Pack), I didn’t realize how much poor ignition performance could hold back a turbocharged direct injection engine. I noticed sluggish starts, rough idling, and uneven acceleration. After installing these plugs, everything instantly improved. They handle extreme combustion pressures with ease, thanks to … Read more