WSM – Bill's Exhausts

WSM Crankshaft Assembly 010-1028-01WSM

Regular price ¥192,100 JPY

In stock (10 units)
WSM Crankshaft Assembly 010-1028WSM

Regular price ¥149,800 JPY

Very low stock (1 unit)
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WSM Crankshaft Assembly 010-1025-01WSM

Regular price ¥147,500 JPY
WSM Crankshaft Assembly 010-1018WSM

Regular price ¥140,400 JPY

Low stock (3 units)
WSM Crankshaft Assembly 010-1019WSM

Regular price ¥140,400 JPY

Low stock (3 units)
WSM Crankshaft Assembly 010-1026WSM

Regular price ¥140,400 JPY

In stock (5 units)
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WSM Crankshaft Assembly 010-1018-01WSM

Regular price ¥133,700 JPY
WSM Crankshaft Assembly 010-1019-01WSM

Regular price ¥132,400 JPY

Low stock (4 units)
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WSM Crankshaft Assembly 010-1060WSM

Sale price ¥132,200 JPY Regular price ¥140,300

Low stock (3 units)
WSM Top End Rebuild Kit 010-862-12

Regular price ¥128,000 JPY

Low stock (4 units)
WSM Top End Rebuild Kit 010-862-14

Regular price ¥128,000 JPY

In stock (6 units)
WSM Cylinder Kit - Yamaha WaveRunner XL/GP/XA 1200 010-6029K

Regular price ¥126,300 JPY

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¥15,100 off

WSM Crankshaft Assembly 010-1061WSM

Sale price ¥126,000 JPY Regular price ¥141,100
WSM Crankshaft Assembly 010-1025WSM

Regular price ¥124,500 JPY

In stock (8 units)
WSM Crankshaft Assembly 010-1017WSM

Regular price ¥122,700 JPY

Low stock (2 units)
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WSM Top End Rebuild Kit 010-862-10

Regular price ¥119,600 JPY
WSM Jet Pump Assembly - Sea Doo 003-720K

Regular price ¥105,500 JPY

In stock (10 units)
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WSM Jet Pump Assembly - Sea Doo 003-721K

Regular price ¥105,500 JPY
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WSM Jet Pump Assembly - Sea Doo 4-TEC 003-722K

Regular price ¥105,500 JPY
WSM Top-End Rebuild Kit - Original Series - Standard VX 1100 WaveRunner Sport 2005-2012 010-872-10

Regular price ¥99,000 JPY

In stock (20 units)
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WSM Jet Pump Assembly - Sea Doo 003-723K

Regular price ¥94,300 JPY
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WSM Jet Pump Assembly - Sea Doo 003-700K

Regular price ¥89,300 JPY
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WSM Jet Pump Assembly - Sea Doo 003-710K

Regular price ¥89,300 JPY
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WSM Top-End Rebuild Kit - Platinum Series - Standard 010-824-10P

Regular price ¥88,500 JPY
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WSM Top-End Rebuild Kit - Platinum Series - +1.00 mm 010-824-14P

Regular price ¥88,500 JPY
WSM Top-End Rebuild Kit - Platinum Series - +0.50 mm 010-824-12P

Regular price ¥87,700 JPY

Very low stock (1 unit)
¥13,800 off

WSM Top-End Rebuild Kit - Platinum Series - Standard 010-829-10P

Sale price ¥73,700 JPY Regular price ¥87,500

Very low stock (1 unit)
WSM Drive Shaft Kit - Sea Doo 1503 003-158-01K

Regular price ¥68,300 JPY

Low stock (2 units)
WSM Rebuild Kit - Supercharger 010-103K

Regular price ¥65,400 JPY

In stock (16 units)
WSM CDI Box - Sea-Doo 004-220-04

Regular price ¥64,900 JPY

Low stock (3 units)
¥10,500 off

WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-826-22

Sale price ¥64,900 JPY Regular price ¥75,400

In stock (7 units)
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¥20,100 off

WSM Top-End Rebuild Kit - Platinum Series - Standard 010-841-10P

Sale price ¥64,600 JPY Regular price ¥84,700
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WSM Top-End Rebuild Kit - Original Series - Standard 010-830-10

Regular price ¥63,600 JPY
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WSM Top-End Rebuild Kit - Original Series - +1.00 mm 010-830-14

Regular price ¥63,600 JPY
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WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-830-12

Regular price ¥63,600 JPY
¥2,000 off

WSM Top End Kit - Standard - Polaris 54-320-10

Sale price ¥61,800 JPY Regular price ¥63,800

In stock (5 units)
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¥14,800 off

WSM Top-End Rebuild Kit - Original Series - Standard 010-826-20

Sale price ¥60,600 JPY Regular price ¥75,400
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¥14,800 off

WSM Top-End Rebuild Kit - Original Series - +0.25 mm 010-826-21

Sale price ¥60,600 JPY Regular price ¥75,400
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¥12,600 off

WSM Top-End Rebuild Kit - Original Series - Standard 010-821-20

Sale price ¥59,000 JPY Regular price ¥71,600
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¥12,600 off

WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-821-22

Sale price ¥59,000 JPY Regular price ¥71,600
¥12,600 off

WSM Top-End Rebuild Kit - Original Series - +0.25 mm 010-821-21

Sale price ¥59,000 JPY Regular price ¥71,600

Low stock (3 units)
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¥3,200 off

WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-827-22

Sale price ¥59,000 JPY Regular price ¥62,200
¥4,600 off

WSM Top-End Rebuild Kit - Original Series - Standard 010-834-10

Sale price ¥59,000 JPY Regular price ¥63,600

Very low stock (1 unit)
¥4,600 off

WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-834-12

Sale price ¥59,000 JPY Regular price ¥63,600

Low stock (2 units)
WSM Top-End Rebuild Kit - Original Series - Standard 010-831-10

Regular price ¥58,100 JPY

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¥7,800 off

WSM Top-End Rebuild Kit - Original Series - Standard 010-840-10

Sale price ¥56,000 JPY Regular price ¥63,800
¥7,800 off

WSM Top-End Rebuild Kit - Original Series - +1.00 mm 010-840-14

Sale price ¥56,000 JPY Regular price ¥63,800

Low stock (4 units)
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¥7,800 off

WSM Top-End Rebuild Kit - Original Series - +0.50 mm 010-840-12

Sale price ¥56,000 JPY Regular price ¥63,800
¥7,800 off

WSM Top-End Rebuild Kit - Platinum Series - Standard 010-809-10P

Sale price ¥56,000 JPY Regular price ¥63,800

Very low stock (1 unit)
¥7,800 off

WSM Top-End Rebuild Kit - Platinum Series - +0.50 mm 010-809-12P

Sale price ¥56,000 JPY Regular price ¥63,800

Low stock (2 units)

Let customers speak for us

from 1022 reviews

Beautiful muffler

Beautiful muffler. Easy install. Perfect sound. High quality throughout. Completely changed the look of the bike. Love it. Expertly packaged in foam rubber so it arrived unscratched. Thanks Bill's.

David Johnson

07/14/2026

LEOVINCE GP One Slip-On Muffler SCL500 2023-2024 15131FBU 1811-4693

Sounds amazing and looks really good

You guys saved my butt with this, I couldn't get it in my area since one of the shops were having tariff issues and not ordering arrow at the moment. But you guys did everything plus more of ordering it checking it and shipping it off to me. I didn't want to go with any other exhaust and you guys delivered. I will forever appreciate you guys and recommend you in the future.

Marco Fraire

07/12/2026

71005VAN Arrow Racing Veloce Full Exhaust for Triumph Street Triple 765 RS 24-25

Great customer service and delivery I love my

Great customer service and delivery I love my exhaust!!!

Marissa Castro

07/10/2026

LEOVINCE GP Corsa Evo Full Exhaust - Z125 2017-2024 3394EU 1810-2679

After quite possibly the longest 42 day wait of my life my complete m4 exhaust was finally in my

After quite possibly the longest 42 day wait of my life my complete m4 exhaust was finally in my possession. Worth the wait and I’d order from bills again.

Daniel Trombley

06/10/2026

M4 Exhaust Carbon Fiber Slip-On 2017-2025 2026 Z900 KA9004

⭐️⭐️⭐️⭐️⭐️ Premium quality and perfect fit for the S1000RR

Installed on my 2025 BMW S1000RR and the fitment was absolutely perfect.

The titanium finish, weld quality, and overall construction are excellent. Sound is deeper, cleaner, and slightly louder than stock without being excessive.

After the first ride, the titanium started developing the beautiful blue heat coloration that Akrapovic is known for, which gives the exhaust an even more premium appearance.

I had previously tested an aftermarket replica, and while it was surprisingly good, the genuine Akrapovic stands out in overall refinement, finish quality, and how the titanium ages with heat cycles.

If you’re looking for an OEM-quality upgrade that complements the BMW perfectly, this exhaust is worth it.

Bill’s Exhausts also had the best price I could find, with fast shipping, no tax charged to Texas, and free shipping, making the purchase experience even better.

Highly recommended.

Francisco Pereira

06/04/2026

AKRAPOVIC Titanium Slip-On Line Muffler S1000R / S1000RR /M 1000 RR 2020- 2026 S-B10SO11-CBT 1811-3739

Sounds amazing! Super easy

Sounds amazing! Super easy install!

Blaine Tyra

05/27/2026

M4 Exhaust Carbon Fiber Street Slayer Slip On 2006-2007 GSXR 600/750 SU6824

Sounds

Sounds great

Anonymous

05/18/2026

Graves Motorsports Zx-6r Cat-Back Slip-On Carbon Exhaust 2019-2025 2026 Exk-19zx6-Cbtc

Quick and easy install no modifications required.

These pipes are great! Very light compared to oem, around 30 minute install, andall parts fit perfectly. I also installed an arrow muffler, sounds great! Noticeable power improvement even without tuning.

Brandon M.

05/14/2026

Arrow Yamaha XT1200Z Super Tenere Exhaust Collector Pipes for ARROW slip-on stainless steel 72095PD

Sounds incredible

Bill’s Exhaust was super efficient with shipping. The exhaust sounds loud and incredible, much better than any videos I’ve seen on it. Install was easy enough. My bike’s a 2025 Honda Rebel 1100T and I needed to reuse the original gasket. To me, it looks amazing. Love it!

05/07/2026

VANCE & HINES Hi-Output Slip-On Muffler 48427

Gorgeous exhaust and performance exceptional

Gorgeous exhaust goes with the lines of the bike perfect performance the carbon is beautiful. Bill has always provided excellent service highly recommend Bill exhaust .

Luis Perez

04/29/2026

LEOVINCE LV Pro Muffler 14344E

Awesome Upgrade!

The LV-10 was just what I was looking for in a slip-on. Minimalist design, easy installation, and added just the amount of growl to the exhaust without being obnoxious. It also keeps me inside some of the crazy exhaust and noise laws in New York. Bills Exhaust had the unit shipped to me in a few days. Installed onto a 2025 Monster 937+

David Ech

04/27/2026