Our Stealth pipe is simply the best single pipe available on the market for your 600 or 700 twin Cat. It has the most consistent power with the widest rpm and runs lower rpm than other pipes so you can really feel the grunt. F7 will pick up 6-8 hp on stock cylinders and 8-9 on ported cylinders! A very broad power band from 7800-8000 rpm. Our customers have given this pipe rave reviews. Whether your on the trail, the lake or mountain, our Stealth single pipe just cranks out the performance!! Best of all, just bolt it on and go, there are no fuel changes necessary except it does work even better with our performance manifold(700 motor only) and clutch kit. EFI models can pick up even more power by adding our inline fuel reducer. Being a BMP Stealth pipe, the stock heat shield fits right over it for a stock appearance if you want, just a lot more power!! Peak Power is made from 7800-7900rpm with this pipe.