Compatible with Chevrolet:
2004-2007 Trailblazer A Sport Utility 4-Door
2004-2007 Trailblazer B Sport Utility 4-Door
2004-2008 Trailblazer Base Sport Utility 4-Door
2004-2006 Trailblazer Ext B Sport Utility 4-Door
2004-2006 Trailblazer Ext Sport Utility 4-Door
2004-2007 Trailblazer Ls Sport Utility 4-Door
2004-2009 Trailblazer Lt Sport Utility 4-Door
2004-2004 Trailblazer North Face Sport Utility 4-Door
2005-2005 Trailblazer Q Sport Utility 4-Door
2005-2005 Trailblazer R Sport Utility 4-Door
2006-2009 Trailblazer Ss Sport Utility 4-Door
2004-2006 Trailblazer Ext Ls Sport Utility 4-Door
2004-2006 Trailblazer Ext Lt Sport Utility 4-Door
2004-2004 Trailblazer Ext North Face Sport Utility 4-Door

Compatible with GMC:
2005-2009 Envoy Denali Sport Utility 4-Door
2004-2009 Envoy Sle Sport Utility 4-Door
2004-2009 Envoy Slt Sport Utility 4-Door
2005-2006 Envoy Xl Denali Sport Utility 4-Door
2005-2006 Envoy Xl Sle Sport Utility 4-Door
2005-2006 Envoy Xl Slt Sport Utility 4-Door
2005-2005 Envoy Xuv Sle Sport Utility 4-Door
2005-2005 Envoy Xuv Slt Sport Utility 4-Door
2006-2007 Bui-ck Rainier Cxl Sport Utility 4-Door

Warranty:
This item is covered by our 12 months unlimited mileage warranty.
1 - 3 Months 100% Refund or Replacement
4 - 12 Months 90%-10% Refund
Over 12 Months No refund

Package Included: 1 x Smog Pump