Our Performance Motorsport Part Exhaust Manifolds are designed to create a more free flowing system. The larger Stainless Steel design helps prevent bottlenecks in the Manifold, reducing back pressure in the exhaust system and thus, increasing power from the engine and offering a fruiter exhaust note. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing 4-1 designed tubular manifold ---2" collector to fit to the OEM exhaust system ---Built in flexi joint helps reduce exhaust strain Compatible with: Peugeot 205 1.6 GTi / 1.9 GTi 1983-1998 models Peugeot 309 1.6 GTi / 1.9 GTi 1986-1994 models.