STAGE 1 KIT. Mini Spares bolt-on performance kit for 998 and 1098 engines. Similar to C-STN17 except it has a large bore side exit exhaust. Kit includes - single box RC40 Millennium large bore side exit exhaust system, Manifolw Cooper Freeflow exhaust manifold, Torquemaster inlet manifold, K&N air filter element, carburettor needle, exhaust fitting kit, and gaskets for the carburettor and manifold. The downpipe will need cutting approx 5-7" off at the silencer end--This is the opposite end to the swollen flanged end with cut out slots to fit manifold. Fit downpipe in manifold and loosely fit or hold silencer in place to work out how much will need cutting, but remember to leave enough pipe to slot into the silencer.