Here are lowering springs for Mazda3 (NON MPS)
Listed below are brands, pricing, and drop rates.
Eibach Pro Kit - 5545.140
Fits: 2004 2005 2006 2007 2008 2009 Mazda 3
Price: $191.40
Drop Rate: 1.4F/1.2R
Eibach Sportlines - 4.4555
Fits: 2004 2005 2006 2007 2008 2009 Mazda 3
Price: $191.40
Drop Rate: 1.8F/1.8R
H&R Sport Springs - 51643
Fits: 2004 2005 2006 2007 2008 2009 Mazda 3
Price: $197.40
Drop Rate: 1.3F/1.2R
Tanabe NF210 Springs - TNF116
Fits: 2004 2005 2006 2007 2008 2009 Mazda 3 2.3L
Price: $194.40
Drop Rate: 1.5F/1.1R
Tein S-Techs - SKM66-AUB00
Fits: 2004 2005 2006 2007 2008 2009 Mazda 3
Price: $212.00
Drop Rate: 2.0F/1.5R
Please contact me with postal code for shipping rates.
Prices on H&R and Eibach are firm. I can do better on Tein and possibly Tanabe.
Thanks!