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Pro Circuit exhaust systems for four-stroke engines are the top choice of ATV riders today. The product of state-of-the-art technology and extensive real-world testing, the Pro Circuit four-stroke systems boost over-all performance with explosive bottom, mid-range and peak power. Because they're constructed to withstand even the most abusive conditions, these systems are sure to give you years of unrivaled performance off-road or on the track.

Features:

• Inspired by the T-4, the Ti-4 system utilizes high-quality grade-two aerospace titanium to provide huge weight savings and unique highlights
• Advanced design ensures lightning-quick throttle response and faster, stronger response during hard acceleration
• Extensively track- and dyno-tested
• Steel Allen head screws make repacking an easy task
• CNC-machined modular end-cap design provides tunable power, with effortless reshaping to the machine's powerband
• Top-quality construction assures long life
• Silencers include spark arrestors that can be removed for closed-course racing; silencer is easy to remove or clean, is completely re-buildable and resists burnout prone to other four-stroke systems
• Exclusive E-glass pillow packing
• Can be used with OEM stock or a Pro Circuit header


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