PROX – Page 9 – Bill's Exhausts

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PROX Piston Rings 2.6333

Sale price $73⁰⁰ NZD Regular price $86⁰⁰
PROX Piston Rings 2.6394

Regular price $86⁰⁰ NZD

Very low stock (1 unit)
PROX Piston Rings 2.6429

Regular price $86⁰⁰ NZD

Very low stock (1 unit)
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PROX Crankshaft 10.1186

Regular price $412⁰⁰ NZD
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$73.00 off
PROX Crankshaft 10.1227

Sale price $410⁰⁰ NZD Regular price $483⁰⁰
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$59.00 off

PROX Crankshaft 10.2193

Sale price $334⁰⁰ NZD Regular price $393⁰⁰
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$60.00 off

PROX Crankshaft 10.2112

Sale price $339⁰⁰ NZD Regular price $399⁰⁰
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$85.00 off

PROX Crankshaft 10.3323

Sale price $481⁰⁰ NZD Regular price $566⁰⁰
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$81.00 off

PROX Crankshaft 10.1392

Sale price $459⁰⁰ NZD Regular price $540⁰⁰
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$78.00 off

PROX Crankshaft - YZ125 10.2298

Sale price $442⁰⁰ NZD Regular price $520⁰⁰
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$75.00 off

PROX Crankshaft 10.6113

Sale price $423⁰⁰ NZD Regular price $498⁰⁰
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$95.00 off

PROX Crankshaft 10.6228

Sale price $539⁰⁰ NZD Regular price $634⁰⁰
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$93.00 off

PROX Crankshaft 10.4334

Sale price $527⁰⁰ NZD Regular price $620⁰⁰
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$90.00 off

PROX Crankshaft 10.2403

Sale price $512⁰⁰ NZD Regular price $602⁰⁰
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$89.00 off

PROX Crankshaft 10.134

Sale price $507⁰⁰ NZD Regular price $596⁰⁰
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CRANKSHAFT KX250F 12 10.4341

Regular price $0⁰⁰ NZD
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$120.00 off
PROX Crankshaft 10.334

Sale price $680⁰⁰ NZD Regular price $800⁰⁰
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$125.00 off

PROX Crankshaft 10.6335

Sale price $710⁰⁰ NZD Regular price $835⁰⁰
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$100.00 off

PROX Crankshaft 10.2439

Sale price $565⁰⁰ NZD Regular price $665⁰⁰
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PROX Crankshaft 10.2456

Regular price $665⁰⁰ NZD
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$78.00 off

PROX Crankshaft 10.2434

Sale price $441⁰⁰ NZD Regular price $519⁰⁰
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$117.00 off

PROX Crankshaft 10.6324

Sale price $665⁰⁰ NZD Regular price $782⁰⁰
$21.00 off

PROX Connecting Rod 3.1315

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

In stock (20 units)
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$16.00 off

PROX Connecting Rod 3.1212

Sale price $206⁰⁰ NZD Regular price $222⁰⁰
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$57.00 off

PROX Crankshaft - KX65 10.4006

Sale price $321⁰⁰ NZD Regular price $378⁰⁰
$25.00 off

PROX Connecting Rod 3.1334

Sale price $285⁰⁰ NZD Regular price $310⁰⁰

In stock (7 units)
$16.00 off

PROX Connecting Rod 3.622

Sale price $206⁰⁰ NZD Regular price $222⁰⁰

In stock (7 units)
$21.00 off

PROX Connecting Rod 3.4309

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

In stock (20 units)
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$22.00 off

PROX Connecting Rod 3.1402

Sale price $302⁰⁰ NZD Regular price $324⁰⁰
$4.00 off

PROX Connecting Rod 3.4022

Sale price $189⁰⁰ NZD Regular price $193⁰⁰

In stock (5 units)
PROX Connecting Rod 3.4118

Regular price $189⁰⁰ NZD

In stock (5 units)
$16.00 off

PROX Connecting Rod 3.2217

Sale price $206⁰⁰ NZD Regular price $222⁰⁰

Low stock (4 units)
PROX Connecting Rod 3.1105

Regular price $189⁰⁰ NZD

Very low stock (1 unit)
$16.00 off

PROX Connecting Rod 3.3219

Sale price $206⁰⁰ NZD Regular price $222⁰⁰

In stock (8 units)
$21.00 off

PROX Connecting Rod 3.2309

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

In stock (20 units)
$10.00 off

PROX Connecting Rod 3.652

Sale price $343⁰⁰ NZD Regular price $353⁰⁰

In stock (13 units)
$21.00 off

PROX Connecting Rod 3.331

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

Low stock (2 units)
PROX Connecting Rod 3.4108

Regular price $189⁰⁰ NZD

Low stock (2 units)
$21.00 off

PROX Connecting Rod 3.2306

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

In stock (6 units)
$2.00 off

PROX Connecting Rod 3.6104

Sale price $189⁰⁰ NZD Regular price $191⁰⁰

In stock (8 units)
$16.00 off

PROX Connecting Rod 3.2221

Sale price $206⁰⁰ NZD Regular price $222⁰⁰

In stock (11 units)
$13.00 off

PROX Connecting Rod 3.242

Sale price $302⁰⁰ NZD Regular price $315⁰⁰

Low stock (3 units)
PROX Connecting Rod 3.2105

Regular price $189⁰⁰ NZD

Low stock (3 units)
$3.00 off

PROX Connecting Rod 03.2310F

Sale price $206⁰⁰ NZD Regular price $209⁰⁰

In stock (28 units)
$25.00 off

PROX Connecting Rod 3.2403

Sale price $285⁰⁰ NZD Regular price $310⁰⁰

Very low stock (1 unit)
$21.00 off

PROX Connecting Rod 3.1322

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

In stock (20 units)
PROX Connecting Rod 3.3122

Regular price $189⁰⁰ NZD

Low stock (4 units)
$22.00 off

PROX Connecting Rod 3.2423

Sale price $302⁰⁰ NZD Regular price $324⁰⁰

Very low stock (1 unit)
$21.00 off

PROX Connecting Rod 3.6311

Sale price $206⁰⁰ NZD Regular price $227⁰⁰

Low stock (4 units)
$7.00 off

PROX Connecting Rod 3.6023

Sale price $189⁰⁰ NZD Regular price $196⁰⁰

Very low stock (1 unit)

Let customers speak for us

from 666 reviews

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