Mufflers and High Performance Parts

YMS V8 Black Round Carbon Fiber Performance Exhaust by YMS for the Yamaha Zuma 125. V8 Model. May fit other makes and models, please check specifications. YMS V8 Yamaha Zuma 125cc Performance Exhaust Specifications Includes: muffler with tail pipe O2...

Baffle kit for large, performance X-cans. This kit can reduce noise and allow you to customize performance levels by changing air direction. Xcan, baffle set, 190-25 Specification: Fits large X-can performance exhausts Noise reduction Customization

Viton Valve Seals can handle higher temperatures and have better wear resistance. These will work in 50cc 4-stroke QMB139 engines, 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines, 150cc GY6 4-stroke ZNEN engines and 250cc 4-stroke...

EXHAUST, MUFFLER ASSY for QMB139 four-stroke Chinese scooter, see figure: FIG.11-3 (Chrome Accents). Scooter Exhaust, Muffler Assembly Specification: Exhaust Bolt Hole Spacing: 50½mm Overall Length: 26 inches Muffler Length: 13 inches Exhaust Pipe...

YMS V8 High Performance Stainless Steel and Black Exhaust. Fits the Yamaha Zuma 125. Samurai WRRP High Performance Yamaha Zuma 125 Exhaust Specifications: High Flow Performance Exhaust

High Performance Stainless Steel Exhaust from WuTan Racing Revolution Part by Samurai. Fits the Yamaha Zuma 125. Samurai WRRP High Performance Yamaha Zuma 125 Exhaust Specifications High Flow Performance Exhaust

Stainless Steel Round After-Market Performance Exhaust for QMB139 50cc 4-stroke engines. Round Performance Exhaust Specifications Round Muffler Head Pipe Bolt Hole Spacing: 50mm Head Pipe Inner Diameter: 25mm Muffler Overall Length: 16.5 inches Includes...

Low Mount Retro Style Stainless Steel Performance Exhaust for 150cc and 125cc GY6 4-stroke QMJ152/157 QMI152/157 engine based scooters. Fits models with rear drum brake such as the Cali Classic, Fiddle, Il Bello and many other makes & models. Retro...

Low Mount Retro Style Stainless Steel Performance Exhaust for 150cc and 125cc GY6 4-stroke QMJ152/157 QMI152/157 engine based scooters. Fits models with rear disc brake such as the ZNEN ZN150 T-F and many other makes & models. Retro Style GY6 Performance...

This Premium Exhaust Gasket Set includes a premium metal gasket, 2 stainless steel exhaust studs and 2 stainless steel exhaust cap nuts. Please select Exhaust Stud diameter from drop down menu. 50cc/90cc, 2-stroke Minarelli engines typically use 6mm...

Performance After-Market Throttle for 150cc and 125cc GY6 engine based Sport Style scooters. Fits other makes and models. This throttle has a larger internal post with a shorter stroke or "pull". This gives the rider less distance to twist the throttle...

Stainless Steel Oval After-Market Performance Exhaust for QMB139 50cc 4-stroke engines. Oval Performance Exhaust Specifications Oval Muffler Head Pipe Bolt Hole Spacing: 50mm Head Pipe Inner Diameter: 20mm Muffler Overall Length: 15 inches Includes...

Performance exhaust springs

Large scooter muffler with chrome cover. It may need some fabrication to anchor it on. This chrome muffler connects to the short pipe that is found on most scooter stock mufflers. It looks great but may not have a significant effect on noise reduction.

Stock black muffler for 43/49cc mini-gas scooters. Scooter Stock Muffler-43/49cc Specifications: Overall Length: 4½ inches Overall Width: about 3½ inches (87mm) Exhaust Manifold Bolt Hole Spacing: 40mm Bolt Hole Diameter: 6mm

43/49cc mini-gas scooter muffler, side exhaust port. Stock Muffler Gas Scooter Specifications: Overall Length: 4½ inches Bolt Hole Spacing (exhaust manifold): 40mm Bolt Hole Diameter: 8mm

Hoca Performance Variator Set for Morini AD50 engines commonly found on Hyosung, Suzuki and TGB Street Scooters. Overall Outer Diameter: 97mm Roller Weights: 4 grams - 16x13Inner Diameter (variator boss): 16mmBoss Length: 37.5mmBacking Plate Inner...

Hoca Performance Exhaust for Scooters with the 50cc 2-stroke Minarelli 40QMB, E40QMB, 1E40QMB or 1PE40QMB engine. Raw metal with carbon fiber silencer.These engines are commonly found on many popular 2-stroke full-size scooters. From brands such as...

Stainless Steel Performance Muffler for the Kymco People 250. May fit other makes and models. Kymco People 250 Performance Exhaust Specifications: Manifold Bolt Hole Spacing: 54mm Muffler kit comes with 2 muffler brackets with rubber 2 springs,...

As the throttle body and intake manifold are used to control the amount of air flowing to the engine�۪s combustion chamber, they are important elements of the intake system. Using Koso�۪s 34mm Throttle Body (DY623013) in conjunction with Koso's 30...

High Performance Stainless Steel Exhaust for the Honda Ruckus. Honda Ruckus Stainless Steel Performance Exhaust Specifications: Head Pipe Bolt Hole Spacing: 45mm Head Pipe Inner Diameter: 25mm Muffler Overall Length: 17 inches Includes Mounting Kit with...

Driven Racing TT Rearsets for the Honda Grom.Features include high grade hardware, adjustable folding toe pegs, choose from standard or reverse shift with no modifications, 4 different mounting positions up to 18mm up and 18mm back from new "0" position...

Driven Racing Honda Grom Timing Cover manufactured using high grade 6061 aluminum and anodized to match your lifestyle! Available in Black, Blue, Gold, Red & Silver. Designed & manufactured in the USA. High Grade 6061 Anodized AluminumAvailable in Black,...

Driven Racing M8x1.25 7075 Aluminum Sprocket Nuts for the Honda Grom - Set of 4. Available in Black, Blue, Gold, Red & Silver. Manufactured in the USA. Durable 7075 AluminumSet of 4Available in Black, Blue, Gold, Red & SilverThread Size: M8x1.25Max...

Hoca 63mm 4-Stroke Replacment Big Bore Piston Kit for the Honda Grom 125 Big Bore Kit. For use with Hoca Brand Big Bore Kit, we cannot guarantee fitment with other brands.Includes piston, rings, pin and circlips.***Does not include or come with tuning...

Hoca 63mm 4-Stroke Replacment Big Bore Cylinder for the Honda Grom 125 Big Bore Kit. Takes your stock 52.4mm cylinder and upgrades you to 180cc with a 63mm cylinder! Includes cylinder and oil fittings. For use with Hoca Brand Big Bore Kit, we cannot...

Driven Racing Honda Grom Small Engine Plug manufactured using high grade 6061 billet aluminum and anodized for superior corrosion resistance! Available in Black, Blue, Gold, Red & Silver. Manufactured in the USA. High Grade 6061 Anodized...

Driven Racing Honda Grom Large Engine Plug manufactured using high grade 6061 billet aluminum and anodized for superior corrosion resistance! Available in Black, Blue, Gold, Red & Silver. Manufactured in the USA. High Grade 6061 Anodized...