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Gartrac now sells Simpson Race Exhausts products
The Simpson exhaust manifolds are all hand made from 304 Stainless Steel using 1.2mm wall tubing so is lightweight.
The welds are all fully TIG welded and gas purged to stop any oxidisation in the welds to stop them becoming brittle.
The manifolds are all equal in length and use the Simpson Race Exhausts Merge Collector design. The joints are slip jointed and held together by spring joints to allow for any movement.
The Simpson exhausts are all stainless steel and the rear boxes are fully repackable and built to the same standard as the manifolds.