S&S CYCLE - 550-1160 - Grand National Slip-On Muffler - 50 State - 4” Chrome - M8 Softail
The S&S CYCLE 550-1160 is a grand national slip-on muffler - 50 state - 4” chrome - m8 softail engineered for street applications where fit, function, and build quality are the baseline expectation. Race-inspired design with a 4” outside diameter muffler body. Removable dB reducer for back pressure and sound tuning, giving you a level of quality that holds up across the full service life of the component. Meet J2825 levels for sound. Grand National® end cap. All hardware included. The 550-1160 delivers exactly what riders need from a quality aftermarket component. Sold individually.
Features
- Race-inspired design with a 4” outside diameter muffler body
- Removable dB reducer for back pressure and sound tuning
- Meet J2825 levels for sound
- Grand National® end cap
- All hardware included
- Deep-performance rumble replaces stock whisper tone
- Made in the USA
Specs
- Color/Finish: Chrome
- Model: Grand National
- Base Color: Silver
- Product Name: Muffler
- Outer Diameter: 4”
- End Cap Style: Straight-Cut
- Riding Style: Street
- Material: Stainless Steel
- Type: Slip-On
- Units: Each
Frequently Asked Questions - S&S CYCLE - 550-1160 - Grand National Slip-On Muffler - 50 State - 4” Chrome - M8 Softail
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.
