Racing Optics XStack Laminated Tear Offs - Arai GP5W Rennline collection 2 KGs compared to the

2  KGs compared to the factory Constructed from CNC mandrel-bent T304L stainless steel Fabspeed signature investment cast X-pipe for improved exhaust flow and scavenging efficiency Designed from 3D scans of the OEM muffler so we can achieve perfect bolt-on fitment No ECU tune required

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HJS Sport Cats are extremely efficient in terms of air flow

iconic Sparco-Martini racing suit

Racing Optics XStack Laminated Tear Offs - Arai GP5W Rennline collection 2 KGs compared to theRacing Optics X Stack Laminated Tear Offs for Arai GP5W line of helmets features a 2 mil stack of 10 tear offs laminated together, installing as a one piece unit, that provides optically clear visibility, and minimal reflections. By optically laminating the 10 layer stack, all air is removed from between the layers, eliminating any reflections and fogging. The 10 layer stack has the same optical clarity as a single 2 mil. tear off! Sold in a package