Are there any retailers in your area that have a dyno and do tuning? Is there multiple shop?? Just take a couple of days and take a look at the store, ask to view them while they tune. Good car goods and magnificent customer support. My 3rd obtain from JJSmotors https://griffingsvby.blogoscience.com/38404488/the-definitive-guide-to-blacktop-20v-4age