InCarTec
Unit 2,
Leigham Units,
Silverton Road,
Matford,
Exeter,
Devon,
EX2 8HY, UK
Tel: +44 (0) 1392 829435Â
Fax: +44 (0) 1392 829439Â
Email: info@incartec.co.uk
I personally haven't upgraded any of the existing speaker, only replaced the headunit.
I think Dave did replace his speakers tho.