KX450 2024

FMF Factory 4.1 RCT Slip-On Muffler - Titanium - Carbon Fiber Cap KX 450 2024 042404 1821-2094

Sale

FMF Factory 4.1 RCT Slip-On Muffler - Titanium - Carbon Fiber Cap KX 450 2024 042404 1821-2094

Regular price $752.40 USD

Regular price ~~$854.99 USD~~ Sale price $752.40 USD
Unit price per

Sale
FMF Powercore 4 Hex Slip-On Muffler KX 450 2024 042401 1821-2091

Sale

FMF Powercore 4 Hex Slip-On Muffler KX 450 2024 042401 1821-2091

Regular price $334.40 USD

Regular price ~~$379.99 USD~~ Sale price $334.40 USD
Unit price per

Sale
FMF Factory 4.1 RCT Slip-On Muffler - Stainless Steel - Carbon Fiber Cap KX 450 2024 042403 1821-2093

Sale

FMF Factory 4.1 RCT Slip-On Muffler - Stainless Steel - Carbon Fiber Cap KX 450 2024 042403 1821-2093

Regular price $564.30 USD

Regular price ~~$641.24 USD~~ Sale price $564.30 USD
Unit price per

Sale
FMF MegaBomb Header - Stainless Steel KX 450 2024 042399

Sale

FMF MegaBomb Header - Stainless Steel KX 450 2024 042399

Regular price $313.50 USD

Regular price ~~$356.24 USD~~ Sale price $313.50 USD
Unit price per

Sale
FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon End Cap KX 450 2024 042406 1820-2046

Sale

FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon End Cap KX 450 2024 042406 1820-2046

Regular price $1,149.50 USD

Regular price ~~$1,306.24 USD~~ Sale price $1,149.50 USD
Unit price per

Sale
FMF Factory 4.1 RCT Exhaust System - Stainless Steel - Carbon End Cap KX 450 2024 042405

Sale

FMF Factory 4.1 RCT Exhaust System - Stainless Steel - Carbon End Cap KX 450 2024 042405

Regular price $877.80 USD

Regular price ~~$997.49 USD~~ Sale price $877.80 USD
Unit price per

Sale
TWIN AIR Filter Dust Cover - KXF 450 151124DC

TWIN AIR Filter Dust Cover - KXF 450 151124DC

Regular price $21.80 USD

Regular price ~~$21.80 USD~~ Sale price $21.80 USD
Unit price per
TWIN AIR Pre-Oiled Air Filter - KXF 151124X

TWIN AIR Pre-Oiled Air Filter - KXF 151124X

Regular price $39.85 USD

Regular price ~~$39.85 USD~~ Sale price $39.85 USD
Unit price per
TWIN AIR Standard Air Filter - Kawasaki 151124

TWIN AIR Standard Air Filter - Kawasaki 151124

Regular price $35.10 USD

Regular price ~~$35.10 USD~~ Sale price $35.10 USD
Unit price per
ACERBIS Full Replacement Body Kit - OEM '24 Green 2983560006

Sale

ACERBIS Full Replacement Body Kit - OEM '24 Green 2983560006

Regular price $115.52 USD

Regular price ~~$135.85 USD~~ Sale price $115.52 USD
Unit price per

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FACTORY EFFEX OEM Tank/Shroud Graphic - Kawasaki 250F/450F 25-05132

Sale

FACTORY EFFEX OEM Tank/Shroud Graphic - Kawasaki 250F/450F 25-05132

Regular price $42.70 USD

Regular price ~~$42.75 USD~~ Sale price $42.70 USD
Unit price per

Sale
FACTORY EFFEX OEM Tank/Shroud Graphic - Kawasaki 26-05132

Sale

FACTORY EFFEX OEM Tank/Shroud Graphic - Kawasaki 26-05132

Regular price $42.70 USD

Regular price ~~$42.75 USD~~ Sale price $42.70 USD
Unit price per

Sale
CYCRA Front Fender - Black - KX 1CYC-1572-12

Sale

CYCRA Front Fender - Black - KX 1CYC-1572-12

Regular price $26.89 USD

Regular price ~~$31.62 USD~~ Sale price $26.89 USD
Unit price per

Sale
CYCRA Front Fender - White - KX 1CYC-1572-42

Sale

CYCRA Front Fender - White - KX 1CYC-1572-42

Regular price $26.89 USD

Regular price ~~$31.62 USD~~ Sale price $26.89 USD
Unit price per

Sale
CYCRA Front Fender - White 1CYC-1472-42

Sale

CYCRA Front Fender - White 1CYC-1472-42

Regular price $40.28 USD

Regular price ~~$47.44 USD~~ Sale price $40.28 USD
Unit price per

Sale
CYCRA Front Fender - Green - KX 1CYC-1572-72

Sale

CYCRA Front Fender - Green - KX 1CYC-1572-72

Regular price $26.89 USD

Regular price ~~$31.62 USD~~ Sale price $26.89 USD
Unit price per

Sale
FACTORY EFFEX Trim Kit Graphic - Kawasaki 22-50138

Sale

FACTORY EFFEX Trim Kit Graphic - Kawasaki 22-50138

Regular price $52.20 USD

Regular price ~~$52.25 USD~~ Sale price $52.20 USD
Unit price per

Sale
RENTHAL Bar Mount - 1-1/8" - 5 mm Offset CL019

Sale

RENTHAL Bar Mount - 1-1/8" - 5 mm Offset CL019

Regular price $71.82 USD

Regular price ~~$81.65 USD~~ Sale price $71.82 USD
Unit price per

Sale
ACERBIS Full Replacement Body Kit - Green/Black 2983571089

Sale

ACERBIS Full Replacement Body Kit - Green/Black 2983571089

Regular price $142.12 USD

Regular price ~~$167.20 USD~~ Sale price $142.12 USD
Unit price per

Sale
ACERBIS Full Replacement Body Kit - White 2983570002

Sale

ACERBIS Full Replacement Body Kit - White 2983570002

Regular price $142.12 USD

Regular price ~~$167.20 USD~~ Sale price $142.12 USD
Unit price per

Sale
ACERBIS Full Replacement Body Kit - Black 2983560001

Sale

ACERBIS Full Replacement Body Kit - Black 2983560001

Regular price $115.52 USD

Regular price ~~$135.85 USD~~ Sale price $115.52 USD
Unit price per

Sale
ACERBIS Full Replacement Body Kit - White 2983560002

Sale

ACERBIS Full Replacement Body Kit - White 2983560002

Regular price $115.52 USD

Regular price ~~$135.85 USD~~ Sale price $115.52 USD
Unit price per

Sale
ACERBIS Rear Fender - Green 2983550006

Sale

ACERBIS Rear Fender - Green 2983550006

Regular price $25.08 USD

Regular price ~~$29.45 USD~~ Sale price $25.08 USD
Unit price per

Sale
ACERBIS Rear Fender - Black 2983550001

Sale

ACERBIS Rear Fender - Black 2983550001

Regular price $25.08 USD

Regular price ~~$29.45 USD~~ Sale price $25.08 USD
Unit price per

Sale
ACERBIS Rear Fender - White 2983550002

Sale

ACERBIS Rear Fender - White 2983550002

Regular price $25.08 USD

Regular price ~~$29.45 USD~~ Sale price $25.08 USD
Unit price per

Sale
ACERBIS Airbox Cover - Black 2983540001

Sale

ACERBIS Airbox Cover - Black 2983540001

Regular price $32.30 USD

Regular price ~~$38.00 USD~~ Sale price $32.30 USD
Unit price per

Sale
ACERBIS Airbox Cover - Green 2983540006

Sale

ACERBIS Airbox Cover - Green 2983540006

Regular price $32.30 USD

Regular price ~~$38.00 USD~~ Sale price $32.30 USD
Unit price per

Sale
ACERBIS Airbox Cover - White 2983540002

Sale

ACERBIS Airbox Cover - White 2983540002

Regular price $32.30 USD

Regular price ~~$38.00 USD~~ Sale price $32.30 USD
Unit price per

Sale
ACERBIS Radiator Shrouds - Black 2983520001

Sale

ACERBIS Radiator Shrouds - Black 2983520001

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
ACERBIS Radiator Shrouds - Green 2983520006

Sale

ACERBIS Radiator Shrouds - Green 2983520006

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
ACERBIS Radiator Shrouds - White 2983520002

Sale

ACERBIS Radiator Shrouds - White 2983520002

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
ACERBIS Side Panels - Black 2983530001

Sale

ACERBIS Side Panels - Black 2983530001

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
ACERBIS Side Panels - Green 2983530006

Sale

ACERBIS Side Panels - Green 2983530006

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
ACERBIS Side Panels - White 2983530002

Sale

ACERBIS Side Panels - White 2983530002

Regular price $42.85 USD

Regular price ~~$50.35 USD~~ Sale price $42.85 USD
Unit price per

Sale
UFO Front Number Plate - Fluorescent Green KA04738-AFLU

Sale

UFO Front Number Plate - Fluorescent Green KA04738-AFLU

Regular price $23.37 USD

Regular price ~~$27.50 USD~~ Sale price $23.37 USD
Unit price per

Sale
UFO Front Number Plate - White KA04738-047

Sale

UFO Front Number Plate - White KA04738-047

Regular price $23.37 USD

Regular price ~~$27.50 USD~~ Sale price $23.37 USD
Unit price per

Sale

Let customers speak for us

from 26 reviews

Two Brothers 790 (2019-2021) / 890 (2021-2024 S1R Slip-On System 005-5230409-S1B

Two Brothers Slip on KTM 890

2Brothers has yet to let me down. Great Slip on set up, deepens the sound without making it obnoxious. Easy install, took about an hour with wrapping the mid pipe. I recommend wrapping the mid, it is much hotter than stock without the wrap. Thanks Bill! -Jon

Jon E.

Two Brothers 790 (2019-2021) / 890 (2021-2024 S1R Slip-On System 005-5230409-S1B

11/12/2024

VANCE & HINES Hi-Output Slip-On Muffler 48427

Nice looking muffler

Not difficult to install. Most likely will require to replace the muffler gasket. Matches well the look of the bike. Sounds well at low to mid range, a little noisy at high RPM.

Dov Greenberg

VANCE & HINES Hi-Output Slip-On Muffler 48427

10/26/2024

FMF Powercore 4 Hex Slip-On Muffler KX 450 2024 042401 1821-2091

2024 KX 450

Great sound with mild performance increase. Quality design. Price was fair. Bolted on with no issues.

Do not Like the new sticker logo instead of the traditional FMF stamping.

Mike Jones

FMF Powercore 4 Hex Slip-On Muffler KX 450 2024 042401 1821-2091

10/21/2024

V&H VO2 Naked Air Cleaner

Exactly as described. Once again, Bill and team have provided a quality, well priced item. They are quick to contact with any possible wrong fit, possible issues, and always have been spot on with solutions or suggestions. Will use Bill's Performance for all my motorcycle needs. Highly recommend this company. (2010 HD Heritage Softail Classic)

Myles Decker

VANCE & HINES VO2 Air Cleaner 71305

08/21/2024

FMF MegaBomb Header Titanium YZ450F 2023 -2024 044476 1822-0540

John Melvin Somera

07/01/2024

VANCE & HINES Fuelpak 4 Tuning Module - Dyna/Softail/Sportster/Touring/Trike 66047

V&H FP4 Fuelpak

I want to highly recommend Bill's Performance for all of your part needs. The entire experience was great. I was having an issue with the FP4 not connecting to my bike. I contacted Bill directly on the phone on Saturday and we were able to resolve the issue with no problems. His response time, patience with me, and customer service are top notch. I will purchase from him again. 10/10 rating. You will not be disappointed. Thank you Bill!!

VANCE & HINES Fuelpak 4 Tuning Module - Dyna/Softail/Sportster/Touring/Trike 66047

06/25/2024

BELT DRIVES LTD. Rear Drive Belt - 140-Tooth - 24mm PCC-140-1

Awesome customer service

Ordered a drive belt contacted me next day it was sold out and filled my order with better belt and shipped fast

Kevin Weis

BELT DRIVES LTD. Rear Drive Belt - 140-Tooth - 24mm PCC-140-1

06/19/2024

Awesome seller and great communicator

This is my second exhaust from bill in 6 months for two different bikes he had exceptional customer service and always staying on top of time frame and his prices are better then anyone out there . Overall what makes Bill stand above the rest is his customer service and his passion for bikes that itself tells you what kind of person he is and his enthusiasm for motorcycles.

Luis Perez

Arrow 71210PRI Pro-Race Exhaust, Nichrome for Aprilia Tuono V4 1100RR / Factory 2017-2024 71210PRI

06/17/2024

AKRAPOVIC Muffler - Carbon Fiber F900R / XR 2020-2023 S-B9SO2-APC 1811-4056

Excellent Service & Prodcuts

Bill’s exhaust personally took the time to customize my experience and be sure I got exactly what I was looking for at the best possible price. There was quick & attentive communication for all my needs and I am extremely pleased with my product and service recieved.

Tyrone Grandison

AKRAPOVIC Muffler - Carbon Fiber F900R / XR 2020-2023 S-B9SO2-APC 1811-4056

05/11/2024

ALPINESTARS T-GP Plus R v4 Airflow Jacket

The best summer time jacket I have owned from alpinestars so far! I love the fit and airflow!

Sean Douglas

ALPINESTARS T-GP Plus R v4 Airflow Jacket - Black/White - Large 3300624-12-L

05/09/2024

DYNOJET Power Commander-6 - Honda PC6-16005

Solid imporvement to a poor running bike

Had some fuelling issues in the midrange - tough to find ECUs for bikes of this age these days. Power commander sorted it out, very happy with my purchase and Bill's service.

Michael Lavdas

DYNOJET Power Commander-6 - Honda PC6-16005

Bill is a solid guy - will definitely shop here in the future

Had a bit of a miscommunication with the shipping timelines offered on the website as the part had to leave the vendor, arrive at Bill's shop and then be shipped to me. I reached out to Bill and he was quick to do what he could to make it right. My part arrived as quickly as he could make it happen and I appreciated the effort he put in. I'll definitely be shopping here again, fair prices and a good guy to work with.

M.L.

Bills Performance

05/03/2024

Two Brothers Exhaust

Highly recommend Bill’s Performance!

jason landers

04/26/2024

Fmf

Excellent service 👏

Paul Stevens

04/22/2024

Yoshimura RS12

Amazing product and phenomenal change is performance . I really loved it
Thanks to Bills performance for the amazing service and quick shipping
Highly recommended service

Vimal Menon (vime-9930)

YOSHIMURA Rs12 System Hon 228450S320

01/24/2024

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