Mufflers

S&S CYCLE MUFFLR 4.5″CHR/THRST 17-

$ 819.95

In stock

4-1/2″ MK45 Performance Mufflers – Chrome Thruster

Part #: 18011074

S&S CYCLE quality guaranteed.

Available for ship to store or drop ship.

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S&S CYCLE MUFFLR 4.5″CHR/THRST 17-

Additional information

Weight	29.10 lbs
Part Number	18011074
Punctuated Part Number	1801-1074
Vendor Part Number	5500665
Vendor Punctuated Part Number	550-0665
Commodity Code	1801
Commodity Group	EXHAUST GROUP
Commodity Type	MUFFLERS FOR HARLEY
MPN	18011074
Brand	S&S CYCLE

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Get the performance you need with the S&S CYCLE MUFFLR 4.5″CHR/THRST 17-, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.

Product Description

MUFFLR 4.5"CHR/THRST 17-

Part Locations

Location	Available
Wisconsin (WI)	7
New York (NY)	0
Texas (TX)	1
Nevada (NV)	0
North Carolina (NC)	1
National Total	9

Stock levels last updated: December 25, 2025 10:02 PM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.

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Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!