BOISE, Idaho -- Aero Exhaust and The Northwest Pro4 Alliance have joined forces to make 2008 a real Summer of Excitement. Aero Performance Exhaust to Sponsor Northwest Pro4 Alliance In 2008 <a href="http://www.whowon.com/sResults.asp?SanctionID=1209&StoryID=237746" target="_blank">http://www.whowon.com/sResults.asp?SanctionID=1209&StoryID=237746</a>