WPS-SP1

SP1 Coil External 01-143-71

Regular price ¥5,900 JPY

In stock (850 units)
SP1 Coil External Ac SM-01196

Regular price ¥13,700 JPY

In stock (415 units)
SP1 Coil External Pol SM-01194

Regular price ¥11,500 JPY

In stock (276 units)
SP1 Coil External Pto Pol SM-01197

Regular price ¥12,200 JPY

In stock (452 units)
Sold out

SP1 Coil External S-D SM-01195

Regular price ¥20,500 JPY
SP1 Coil External S-D SU-01180

Regular price ¥76,100 JPY

In stock (250 units)
SP1 Coil External S-D SU-01181

Regular price ¥78,800 JPY

In stock (1000 units)
Sold out

SP1 Coil External S-D SU-01182

Regular price ¥78,800 JPY
Sold out

SP1 Coil External S-D SU-01183

Regular price ¥78,800 JPY
SP1 Coil External S-D SU-01184

Regular price ¥76,100 JPY

In stock (756 units)
SP1 Coil External S-D SU-01187

Regular price ¥76,100 JPY

In stock (756 units)
SP1 Coil External S-D SU-01189

Regular price ¥76,100 JPY

In stock (565 units)
SP1 Coil External S-D SU-01191

Regular price ¥76,100 JPY

In stock (583 units)
SP1 Coil External S-D SU-01192

Regular price ¥76,100 JPY

In stock (600 units)
SP1 Coil External S-D SU-01193

Regular price ¥76,100 JPY

In stock (412 units)
SP1 Coil External S-D SU-01197

Regular price ¥76,100 JPY

In stock (334 units)
SP1 Coil External S-D SU-01199

Regular price ¥76,100 JPY

In stock (498 units)
SP1 Coil External S-D SU-01201

Regular price ¥76,100 JPY

In stock (497 units)
Sold out

SP1 Coil External SM-01123

Regular price ¥18,200 JPY
SP1 Coil External SM-01149

Regular price ¥25,200 JPY

In stock (896 units)
SP1 Coil External SM-01150

Regular price ¥14,200 JPY

In stock (476 units)
Sold out

SP1 Coil External SM-01161

Regular price ¥26,000 JPY
SP1 Coil External SM-01162

Regular price ¥10,300 JPY

In stock (494 units)
SP1 Coil External SM-01176

Regular price ¥8,500 JPY

In stock (666 units)
SP1 Coil External SM-01180

Regular price ¥9,000 JPY

In stock (347 units)
SP1 Coil External SM-01189

Regular price ¥10,800 JPY

In stock (1154 units)
SP1 Coil External SM-01224

Regular price ¥9,000 JPY

In stock (175 units)
SP1 Coil Internal SM-01163

Regular price ¥7,000 JPY

In stock (579 units)
Sold out

SP1 Coil Plug Type SM-01182

Regular price ¥18,900 JPY
Sold out

SP1 Coil Plug Type SM-01183

Regular price ¥14,500 JPY
SP1 Coil Plug Type SM-01187

Regular price ¥23,200 JPY

In stock (575 units)
Sold out

SP1 Coil Shock Spring 10-3/4" SM-04039

Regular price ¥10,100 JPY
SP1 Coil Shock Spring 11" 04-296

Regular price ¥4,500 JPY

In stock (348 units)
SP1 Coil Shock Spring 12" SM-04045

Regular price ¥14,500 JPY

In stock (475 units)
Sold out

SP1 Coil Shock Spring 12-1/4" SM-04054

Regular price ¥6,700 JPY
SP1 Colored Plug Caps Black 01-109-24

Regular price ¥2,200 JPY

In stock (1225 units)
SP1 Colored Plug Caps Blue 01-109-23

Regular price ¥2,200 JPY

In stock (625 units)
SP1 Colored Plug Caps Green 01-109-21

Regular price ¥2,200 JPY

In stock (914 units)
SP1 Colored Plug Caps Red 01-109-22

Regular price ¥2,200 JPY

In stock (2500 units)
Sold out

SP1 Composite Wheel 8" Seven Spoke W/25mm Bearing Installed TE1400-01

Regular price ¥6,300 JPY
Sold out

SP1 Composite Wheel 9" Five Spoke W/25mm Bearing Installed 9" COMPOSITE

Regular price ¥9,500 JPY
Sold out

SP1 Condenser 01-128

Regular price ¥1,300 JPY
Sold out

SP1 Condenser 01-128-03

Regular price ¥1,300 JPY
SP1 Condenser 01-129

Regular price ¥800 JPY

In stock (576 units)
Sold out

SP1 Condenser 01-130

Regular price ¥1,300 JPY
SP1 Condenser 01-131

Regular price ¥800 JPY

In stock (154 units)
Sold out

SP1 Condenser 01-140

Regular price ¥1,300 JPY
Sold out

SP1 Condenser 01-140-03

Regular price ¥1,300 JPY
SP1 Condenser 01-140-14

Regular price ¥800 JPY

In stock (30 units)
Sold out

SP1 Condenser 01-140-16

Regular price ¥1,300 JPY

Let customers speak for us

from 674 reviews

Will Be Back!

I recently purchased the Arrow Race-Tech Slip-On Exhaust (Aluminum Dark) for my Kawasaki Z900 (’17–’24), and I couldn’t be happier. The quality is top-tier—lightweight, beautifully finished, and it gives the bike the deep, aggressive sound it should’ve had from the factory. Throttle response feels smoother, and the overall riding experience is noticeably more exciting.

Huge shoutout to Bill from Bills Exhaust. His communication was excellent from start to finish—quick replies, honest info, and genuinely great customer service. The exhaust shipped fast with no delays, no issues, and no backorder nonsense. Exactly what you want when ordering parts for your bike.

If you’re on the fence, go for it. The exhaust is incredible, and Bill makes the whole process even better. Highly recommend!

Brian Brayley

12/01/2025

71856AKN Arrow Race-Tech Slip-on Exhaust, Aluminum Dark for Kawasaki Z900 17-24

Arrived super quick

Arrived super quick, no complaints

Anonymous

11/20/2025

IN STOCK M4 Exhaust GP Black Slip on GSXR600/750 2011-2025 SU6112-GP

Great customer support

Great customer support, fast shipping and delivery , and great quality exhaust . Sounds nice 👍🏼 would definitely recommend

Atticus

11/13/2025

IN STOCK M4 Exhaust GP19 Black Slip On 2009 - 2025 2026 ZX6R zx6 KA6922-GP19

Fast service and the pipe is very well made

Fast service and the pipe is very well made.

72188PD Arrow H.D.1250 Pan America 20-25 Racing St. Steel De-Catalyzed Collector

Purchased the power core 4 along with the mega bomb header

Purchased the power core 4 along with the mega bomb header. Sounds great! Looks even better! Slammed them both on my 22’ KX 250f.

ROBERT T CLARK

11/11/2025

FMF Powercore 4 Muffler KX250F/X 2021-2023 042392 1821-2038

Was trying to find a reseller for Graves products. Stumbled upon this site. No hassles. Ships to Australia (big plus). Now I can mod my dream bike.
Exhaust is gnarly, obnoxious... exactly what I want! Makes all the right sounds.
I'd buy another one if I had another bike.
Super easy fitment, shaved off so much weight with the titanium build.
Absolute piece of art.

Nazzy

11/05/2025

Bill's Exhausts

Great price and amazing sound

Great price and amazing sound.

Michael Adams

10/27/2025

AKRAPOVIC Carbon Fiber Muffler NINJA 400 /500 2018-2025 S-K4SO6-APC 1811-3515

This system with a BT Moto tune sounds and feels amazing

This system with a BT Moto tune sounds and feels amazing. The weight reduction, power increase makes this bike handle even better.
The titanium exhaust system looks amazing.

Lou D

10/19/2025