| Exhaust Back or Middle Silencer Box Material : Stainless Steel Polished. Size: Diameter: 6 inch length: 12 inches Perf Size (Bore): 2 1/8 inches - 53.97mm Quality Middle / Back Silencer Boxes Spun Range: Our range of Spun Middle / Back Performance silencer / muffler boxes are produced in 7 profiles / sections, both Oval & Round manufactured in high grade type 304 stainless steel in the UK avaliable up to 36" in length and coming with bore sizes up to 76mm (54mm Standard) inlets / outlets to suit your requirements centre-centre, twin-centre etc. Standard 300mm & 400mm length's. Spun Boxes are all Polished as Standard Made in England 
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