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After MUCH consideration and advice from other seasons tuners, HP Tuners was the way to go. I am a newbie at this and so far the interface is very easy to use. HP Tuners has a users forum where others and tech are very easily accessible and friendly. The cool thing is you get 8 credits with your initial purchase. Rating: [8 of 8 Spark Plugs] Customer Testimonials I just placed an order from BYUNSPEED for pacesetter longtubes and ory for my 94 Z28 and all i can s... ... read more ... Thomas M [Grand Forks, North Dakota] Sign In E-Mail Address Password Forget your password? Shopping Cart 0 Items Manufacturer's Info   HP Tuners   Other products Notifications Notify Me of updates to HP Tuners VCM Suite, Professional MPVI Interface w/ 8 Credits (GM) WAHHH! PayPal Buyer Credit BYUNSPEED Gift Certificates Give a little card, get a big smile. You can e-mail BYUNSPEED Gift Certificates, print them from home, or send them in the mail (they ship for free, of course). Customer Reviews I had a choice between HP Tuners and EFI Live. After MUCH co .. Newsletter Subscription Wednesday 08 September, 2010 Help | Shopping Cart | My Garage | About BYUNSPEED | Sitemap Conditions of Use | Privacy Notice | © 2003-2010 BYUNSPEED, LLC