Gravity Performance Manifolds are designed to be direct replacements for OEM manifolds, ensuring smooth installation every time. Our manifolds improve the collection of gasses from the cylinder heads, before routing them through them to the rest of the system. ---Manufactured from high quality T304 stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing catalyst replacement to get the most from the Z12 and Z14 engines ---Designed to fit the OEM and most aftermarket exhaust systems ---Crafted to noticeably improve throttle response Fitment: Vauxhall / Opel Corsa C 1.2 16v Z12XE, 1.4 16v Z14XEP 2000-2006 models Vauxhall / Opel Corsa D 1.2 16v Z12XE, 1.4 16v Z14XEP 2006-2014 models Vauxhall / Opel Astra G 1.2 16v Z12XE, 1.2 16v Z12XEP, 1.4 16v Z14XE, 1.
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