If you're running tight track or supercross circuits, exhaust back-pressure directly impacts your power delivery in the critical mid-range—and this is where the FMF Powercore 2 Shorty excels. The shortened core design maximizes bottom and mid-rpm output...

If you're serious about extracting maximum power from your machine without compromising durability, the FMF Turbinecore 2 Muffler delivers track-proven performance through its straight-through design and optimized flow characteristics. Built for riders...

If you're running a 2-stroke, the Powercore 2 Muffler delivers measurable performance gains through optimized exhaust scavenging while keeping weight minimal—critical for machines where every pound matters. The stainless steel end cap and front stinger...

The FMF Turbinecore 2 Muffler delivers the exhaust flow you need to unlock your engine's full potential without sacrificing sound control. Its straight-through design minimizes backpressure while the Turbine Dampening System keeps noise levels compliant,...

The FMF Megabomb Header 041606 delivers aggressive exhaust scavenging and increased horsepower by optimizing exhaust flow dynamics from your engine's combustion chamber. This complete bolt-on system eliminates the guesswork with all necessary components...

The FMF Megabomb Header 041607 delivers measurable gains in exhaust scavenging and flow efficiency, translating to improved throttle response and power delivery across the RPM band. If you're serious about maximizing your engine's potential without...

Exhaust heat is a serious concern for riders—unprotected exposure can cause severe burns to your legs and gear, while unshielded pipes risk damage to your bike's bodywork. The FMF MegaBomb Titanium Heat Shield is engineered to address both issues with a...

A worn or sluggish oxygen sensor can silently drain your fuel economy by 10-15% while driving up emissions and degrading drivability—problems you won't notice until they compound into real performance loss. The FEULING OIL PUMP CORP. Oxygen Sensor...

A faulty cylinder head temperature sensor can cause extended cranking times, power loss, and poor fuel economy—issues that compromise both performance and reliability. This OEM-quality sensor accurately measures head temperature and relays critical data...

Restricted airflow is one of the quickest ways to leave performance on the table. The S&S Cycle Air Stinger Stealth Air Cleaner Kit breaks that bottleneck with a 55% larger filter surface area, delivering measurable gains in throttle response and engine...

If you're running a Harley with a stock or basic air cleaner, you're leaving performance on the table. The S&S Cycle Air Stinger Stealth replaces restrictive factory designs with a high-flow filter element that delivers 55% more surface area, translating...

Stock air cleaners restrict airflow and leave performance on the table. The S&S Cycle Air Stinger Stealth replaces the factory air smoothing stinger with a high-flow filter element, delivering 55% more filter surface area than OEM units. Pair this with a...

If you're running a Stealth air cleaner system, your engine is only as strong as its ability to breathe. This Air Stinger kit delivers a 55% increase in filter surface area, meaning better airflow, longer filter life, and cleaner combustion—without...

Restrictive factory air filters choke your engine's potential and demand frequent replacement. The S&S Cycle Air Stinger Stealth Air Cleaner Kit delivers a 55% increase in filter surface area, enabling significantly higher airflow to your engine while...

Intake restriction is one of the easiest performance losses to address, and the S&S Cycle Air Stinger Stealth delivers measurable gains with a simple bolt-on installation. By replacing the factory air smoothing element with a high-flow filter design,...

Stock air cleaners create unnecessary restrictions that rob your engine of peak breathing efficiency. The S&S Cycle Air Stinger Stealth replaces the factory stinger with a high-flow filter element, delivering 55% more filter surface area for improved...

If you're running a stock air cleaner on your Harley, you're leaving horsepower and throttle response on the table. The S&S Cycle Air Stinger Stealth replaces the factory air smoothing stinger with a high-flow filter element that delivers 55% more filter...

Restrictive factory air filters cost you horsepower and throttle response. The S&S Cycle Air Stinger Stealth delivers a measurable 55% airflow increase, allowing your engine to breathe freely while maintaining reliable filtration. With a washable,...

Stock air filters restrict your engine's breathing, costing you horsepower and throttle response. The S&S Cycle Air Stinger Stealth delivers a measurable 55% increase in filter surface area, enabling cleaner, unrestricted airflow while maintaining...

Restrictive factory air filters waste horsepower and rob your engine of the unrestricted breathing it needs to perform. The S&S Cycle Air Stinger Stealth delivers a 55% airflow increase through precision engineering, translating directly to improved...