S&S CYCLE - 550-1010 - 4-1/2” Black MK45 Cutlass Performance Mufflers
The S&S CYCLE 550-1010 is a 4-1/2” black mk45 cutlass performance mufflers engineered for street applications where fit, function, and build quality are the baseline expectation. Bold 4-1/2” design with stainless steel baffle & RaceTEX packing. Produces a deep bass rumble throughout the RPM range, giving you a level of quality that holds up across the full service life of the component. Removable dB reducer. Made in the U.S.A.. End Cap Color/Finish: Black. The 550-1010 delivers exactly what riders need from a quality aftermarket component. Sold individually.
Features
- Bold 4-1/2” design with stainless steel baffle & RaceTEX packing
- Produces a deep bass rumble throughout the RPM range
- 50-state legal
- Removable dB reducer
- Made in the U.S.A.
Specs
- End Cap Color/Finish: Black
- Product Name: Muffler
- Riding Style: Street
- Units: Each
- Length: 34”
- Model: MK45
- Outer Diameter: 4-1/2”
- Color/Finish: Black
- End Cap Style: Cutlass
- End Cap Color/Finish: Gloss
Frequently Asked Questions - S&S CYCLE - 550-1010 - 4-1/2” Black MK45 Cutlass Performance Mufflers
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
