Primary Designs www.primarydesigns.co.uk +44 1844 216057 Unit 10, Thame Park Business Centre, Wenman Road, Thame, Oxfordshire, OX9 3XA, UK Primary Designs www.primarydesigns.co.uk +44 1844 216057 Unit 10, Thame Park Business Centre, Wenman Road, Thame, Oxfordshire, OX9 3XA, UK Primary Designs are world leaders in the design and manufacture of high performance exhausts. With a motorsport pedigree dating back to the early 80’s and a team of over 20 highly skilled engineers, we have been supplying thin wall Inconel, Titanium and Stainless-Steel exhausts to the motorsport industry for nearly 20 years. Contact Us Contact Us Latest News Primary Designs invests in UV Dye Penetrant Testing The use of DMLS in exhausts