After trying this product, I could tell a significant difference in my car's performance .The installation process was seamless, and I was impressed by the quality of the materials used. My car now starts up smoothly, no more stalling, and i feel more confident while on THE road. As for the cons I haven`t yet found one. All I know is that I trust DRIVESTAR to deliver quality automotive parts, and I would definitely recommend this ignition upgrade to any car enthusiast looking for an affordable aSee full review