i would like to add a performance chip to my 07 impala ltz....which one would you recommend
A a_zbhai · Registered Joined Mar 31, 2008 · 1 Posts Discussion Starter · #1 · Mar 31, 2008 Only show this user i would like to add a performance chip to my 07 impala ltz....which one would you recommend
wedebrook · Registered Joined Apr 9, 2008 · 651 Posts #2 · Apr 9, 2008 Only show this user none, they are all crap. get your pcm tuned instead.
Richard · Registered Joined Aug 30, 2007 · 719 Posts #3 · Apr 10, 2008 Only show this user Don't be fooled by the ones you see on eBay claiming higher performance and gas savings. They are a scam.
Don't be fooled by the ones you see on eBay claiming higher performance and gas savings. They are a scam.
