Some minor surface rust inside pipe and can from sitting. Should be knocked free/cleaned before use. Fatt Azz Pipe / AC 8000 (18+) Our Fatt Azz single pipe produces huge horsepower and torque! When used in conjunction with our BMP Performance Manifold and tuning , your motor will gain a solid horsepower over stock! This pipe has a very broad powerband with a ton of grunty torque making peak power from 8000-8200 RPM. It fits right into the stock muffler, or you can use our lightweight muffler for even less weight. The pipe installs in minutes and works great even on our big bore 900 motors. It can be run without tuning, or for even bigger gains add our BMP Tuning. Peak Power is made from 8000-8200 RPM with this pipe. **These pipes only come ceramic coated due to close hood tolerances** The pipe comes ceramic coated to act as a heat shield as these pipes are a tight fit in some areas. The pipe must be used with Performance Y-Pipe 2018 + F/ZR/XF/M 800/8000 Gains 10 horsepower (in conjunction w/ Performance Y-Pipe) Excellent fit and finish Easy to install Fits into stock or BMP mufflers ECU TUNE & Y pipe required for maximum hp 12-UP F/M/XF/ZR 800/8000 POWDER LITE - CERAMIC MUFFLER Fits all 2012-Up F/ZR/XF/M 800/8000 models including the C-Tec 2 Extremely lightweight - 17 lbs. lighter than stock Weighs only 5 lbs. Maintenance-free mechanical style baffle (no packing) Designed and tested on Superflow 902 Dyno to guarantee no power loss Available in high temp black or ceramic chrome No returns due to loud or undesirable sounds. Performance Manifold / AC CTec 800 (18+) Bolt this BMP high flow manifold on your 2018 and up arctic cat 800s for an instant power gain. A peak gain of 4-5 HP was seen and a huge 9-10 HP in the mid-range!! This performance manifold works even better with our BMP Fatt Azz single pipe. EFI controller not required with just the manifold, simply run premium fuel. EFI controller is required with BMP Fatt Azz single pipe. Fits 2018 + F/ZR/XF/M 800/8000 Gains 3-4 horsepower Excellent mid-range gains! Huge torque gains Excellent throttle response Easy to install No fuel controller required