Royal Enfield Bullet 500 owners, listen up! Want to unleash a bit more power and improve your bike's breathing? This DNA High Performance Air Filter is a direct replacement for your stock paper filter (fits 2009-2021 Bullet C5 500 models, part number R-RE5N12-01). It's not just a filter; it's an upgrade. Made with four layers of special DNA cotton gauze and a durable wire mesh support, it flows a whopping 42.84% MORE air than the stock filter while still filtering out 98-99% of dirt and debris. That means better throttle response, more power, and a richer sound. It comes pre-oiled with DNA's special filter oil that's water-resistant. Installation is straightforward – just follow your service manual. Designed for road, off-road, and even race use. If you're into DIY maintenance and performance mods, this is a simple, effective first step. Breathe easy and let your Bullet roar!