This vacuum was a game-changer, revving up my automotive performance to the max! Thanks to my KNOWLEDGE gained in practice, this emission system upgrade was made easy .The stainless steel construction is a major pro, ensuring top-notch durability for years to come. However, the cost was a bit steep for my budget, which is the only con I noticed. Overall, this is a great investment for any serious car enthusiast looking to improve their ride`s performance..See full review