47. Manifolds and exhaust systems


Competition Fabrications Ltd

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Contact name: Richard Bensley

Unit 15,
Bunns Bank Industrial Estate,
Attleborough, Norfolk,
NR17 1QD, England

Tel: +44 1953 454 573

Fax: +44 1953 454 573

Email: richie@competitionfabrications.co.uk


Competition Fabrications makes parts for motor and motorcycle racing, but also has experience of making Moth exhaust systems – the latest delivered (January 2022) is for Leopard Moth G-CLSM.

Sigma Services

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Contact name: Nick Seymour

Orchard Cottage,

10A Hillside Road,

Thorpe St. Andrew,

Norwich NR7 0QJ,


Tel: (office): +44 1603 433 961 or (workshop): +44 1953 457 732

Fax: +44 1603 433 961

Mobile (cell): 07774 195 103

Email: sigma@aircraft.u-net.com

Website: http://www.sigmaservices.co.uk


Nick Seymour has thirty years of experience maintaining de Havilland types and is an LAA inspector and CAA certified welder. Sigma Services repairs exhaust systems for de Havilland aircraft.

Unique Design and Fabrications

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Contact name: Mark or Andy Baxter

46 Dawson Close,


Nottinghamshire, NG16 2ES,


Tel: +44 1773 787 193

Mobile (cell): Andy: +44 7711 813 739 or Mark: +44 7900 001 104

Email: a.baxter46@ntlworld.com

Alternate email: office@unique-df.co.uk

Website: https://www.unique-df.co.uk/


Unique Design and Fabrications Ltd manufactures short manifold, manifold with long silencer and manifold with heat exchanger silencer exhaust systems for the DH 82, including the appropriate support stays and mounting brackets.

Vintage Engine Technology Ltd.

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Contact name: Paul Sharman, Director

Fullers Hill,

Little Gransden Airfield,


Bedfordshire, SG19 3BP,


Tel: +44 1767 651 794

Fax: +44 1767 651 794

Email: mail@vintech.aero

Website: None


Vintage Engine Technology has become a byword for excellence in the reconstruction of Gipsy series engines – and many others. After the retirement in 2017 of founder Mike Vaisey, Paul Sharman, long time Director of the company, has taken the lead role.