Racing Optics Smoke Tear Offs - Stilo ST5, Small Tabs hb651z.624 supporting optimal engine efficiency and

supporting optimal engine efficiency and output

Includes one pair for both the driver and passenger seats

On our dyno we saw gains of 29whp and 25ft/lbs of tq

guaranteed Includes integrated O2 sensor bung for fuel-injected cars Direct replacement bolt-on for stock cat or cat-bypass pipe   WHY YOUR SPORTSCAR MUST  ONLY HAVE  HJS GERMAN AUTOBAHN PROVEN Racing High Flow Catalytic Converters:  HJS Emission technology German imported EMITEC  catalytic converters are made from the highest grade materials in the WORLD

No need to suffer long periods of downtime for an engine build

Racing Optics Smoke Tear Offs - Stilo ST5, Small Tabs hb651z.624 supporting optimal engine efficiency andImprove visibility on the track with Racing Optics Smoke Tear Offs specifically designed for Stilo ST5 helmets with small tabs. The smoke tint reduces glare while the tear offs keep your visor clean, giving you a competitive edge. Perfect for race day.