Stealth air cleaner kits have been a solid performance addition for the v-twin market since their launch in 2012 and each year we add a few more to the collection. The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped...
S&S has been building big bore kits since the 60s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and opens up a whole new level of performance for these engines. Combining a new design forged piston with their...
Our first track day was now scheduled for early September at the Blackhawk Farms in Beloit Illinois and we had chosen Tyler O’Hara as our rider for his experience with the XR series as well as an incredibly diverse racing resume. The pieces were coming together and flew Tyler into Wisconsin for...
Baggers at Laguna Seca? Monster touring machines lumbering through the hallowed curves of California’s most famous race track? The pundits would dub it as blasphemy and the purists took to their keyboards to express their utter dismay. If there had been an internet in the early days of NASCAR,...
Now available, a 50-state legal version of our popular 475 cam for M8 touring machines. Bolt-in cam pulls over 100 Horsepower and 109 lb-ft of torque and now includes a Powervision PV3 tuner with built-in tunes allowing for a simple set up without having to put the bike on a Dyno! To make it...
The M8 engine is a powerhouse, but a low idle combined with a plugged up exhaust conspire to mute the true sounds of freedom this machine was designed to roar. We get that and created the GNX slip-ons with one thing in mind and that’s belting out the flag-waving, eagle flying song of the...
We heard S&S Cycle this one under wraps for a hot minute and are finally ready to set it free. The S&S R&D team took their proven 2:1 SuperStreet exhaust internals and finally ported them over to the Sportster platform. None of the shorty system fluff that kills the power, they are here for the...
Originally conceived by S&S founder George Smith, the Classic Two Throat carb and matched air cleaner served as a performance milestone in the v-twin space for over a decade. Now long gone, they are still a hot commodity for in-the-know chopper builders and have inspired the latest air cleaner...
Complete Big Bore and Cam Chest in One Kit!
S&S Cycle’s El Dorado performance exhaust system is a 50 state legal high flow exhaust designed around our 4.5” Mufflers and stainless steel Header. Street legal fitment for 2017-2019 Harley-Davidson® M8 powered touring models. The El Dorado is a complete system that includes Power Tune headers...
Until recently, performance exhaust and 50 state legal have been mutually exclusive features forcing a rider to choose between making power and making sure factory warranties were not impacted. We say those days are behind us. Welcome to the new world order of high performance that marries a...
Arguably the most recognized big twin air cleaner on the planet, the classic Teardrop just got better! Combining the S&S Cycle High-Flow Stealth air cleaner platform (up to 6hp gain on M8!) with the iconic Teardrop cover, S&S Cycle has created the very best of both worlds for the 1999-2019...
We love power, raw unadulterated thumping, makes your heart skip a beat kind of power and that’s the very stuff we do best. Our latest for the Milwaukee Eight® powered Harley-Davidson® models is certain proof of this obsession. Bolt in 124 Cubic Inch (that’s over 2000cc for you metric folks) Big...
Always on top of performance and reliability, S&S Cycle recently launched their complete Cam Chest Kits designed specifically to update the M8 engines with the latest in pump, plate and cam technology. We've put together sixteen unique kits designed to match your bike, performance demands and...
We have created the next level in high performance bagger exhaust! Merging a full flow stainless header into a highly engineered collector and culminating in a 4.5” muffler, the new Sidewinder represents the perfect combination of style and power. Includes our removable dB reducer baffle...
