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from 232 reviews
M4 exhaust pipe slip on

I love the pipe I will purchase another one when I purchase my next bike thank you so much for the kinds and courteous service that was provided to me and for me Bill is awesome

Allen Littles
M4 Exhaust GP Black Slip on GSXR600/750 2011-2025 SU6112-GP
M4 Exhaust GP Black Slip on GSXR600/750 2011-2025 SU6112-GP
Lighter, Great sound

Very easy to install. Wonderful sound! Only issue is it could use some kind of sleeve or gasket at the header/ silencer connection. On my ‘23 Tiger 900, the connection was fairly loose, with the clamp at its limit to get tight.
A smaller diameter clamp might be a remedy too. Otherwise, a perfect fit.
The db killer seems to be mostly permanent, requiring some concerted effort to remove ( YouTube) It does come with a screw to secure it, should you be inclined to remove it.

Andre Van Bergeijk
72505VAN Arrow Veloce Homologated Slip-on Exhaust for sidebags for Tiger 850/900 20-25
72505VAN Arrow Veloce Homologated Slip-on Exhaust for sidebags for Tiger 850/900 20-25
Quick delivery!

Got it in the mail in 24hrs!!!! Amazing!

felipe eugenio
AKRAPOVIC Exhaust System - Racing Line - Titanium YZF-R7 2022-2024 and 2025 S-Y7R12-APT 1810-3053
AKRAPOVIC Exhaust System - Racing Line - Titanium YZF-R7 2022-2024 and 2025 S-Y7R12-APT 1810-3053
Amazing exhaust

The quality, sound and ease of installation are superb. Woke the bike up!!

Joe Asaro
72506VAN Arrow Veloce Homol Slip-on Exhaust, Aluminum Dark for Triumph Tiger 900 24-25
72506VAN Arrow Veloce Homol Slip-on Exhaust, Aluminum Dark for Triumph Tiger 900 24-25
Fuelpak 4

This was exactly as described and shipping was fast! Would order from Bill's exhaust again in a heartbeat!

Chase Christensen
VANCE & HINES FP4 Fuelpak 4 Tuning Module - M8 2021-2024 66043
VANCE & HINES FP4 Fuelpak 4 Tuning Module - M8 2021-2024 66043

Great sound! Exact match to the factory scorthed chromes!

Kenny McDonald
KHROME WERKS 4-1/2" HP-Plus Slip-On Mufflers - Eclipse with Tracer Tip 2017-2024 201670
KHROME WERKS 4-1/2" HP-Plus Slip-On Mufflers - Eclipse with Tracer Tip 2017-2024 201670

Nice

Harshpreet Singh
Vandemon Ducati Panigale/ Streetfighter V2 955 Full Titanium High Mount Exhaust System 2019-24 DUCV2TIEXHSMESA
Vandemon Ducati Panigale/ Streetfighter V2 955 Full Titanium High Mount Exhaust System 2019-24 DUCV2TIEXHSMESA
Excellent Service and Speedy Instal

Definitely buying more from Bill in the future. Excited to hear what the 636 sounds like in the AM. Also for anyone looking into getting this Mid Pipe, it definitely fits an LV LV10 slip on!

Paul Joseph
71712MI Arrow for Zx-6r/636 19-25 Stainless Steel Central Link Pipe For Original Or Arrow Silencers
71712MI Arrow for Zx-6r/636 19-25 Stainless Steel Central Link Pipe For Original Or Arrow Silencers
AWESOME!

Exhaust fits perfectly, high quality and sounds amazing with my ZARD slip on

Nathan Nash
Arrow 71756MI Racing Exhaust Collector for Moto Guzzi V85TT 2021- 2023 71756mi
Arrow 71756MI Racing Exhaust Collector for Moto Guzzi V85TT 2021- 2023 71756mi
Incredible sound

Sounds amazing. Installation is effortless. I like that it comes with a db killer for racetracks with noise regulation.

David Molina
M4 Exhaust Full System Black GP19 with canister ZX6R ZX6 2009 - 2025 KA6982-GP19
M4 Exhaust Full System Black GP19 with canister ZX6R ZX6 2009 - 2025 KA6982-GP19
2024 Yamaha MT-09 M4 Exhaust

I ordered a black M4 Exhaust. Huge improvement over stock and sounds awesome. Bill was great to talk to and quick to reply when called or emailed. Thank you

Jeremy Crouch
M4 Exhaust All Black Full System MT-09/SXR900 2021 - 2024 YA6932
M4 Exhaust All Black Full System MT-09/SXR900 2021 - 2024 YA6932
24 Z900 M4 Headers

Purchased from Bills and everything went great, Bill emailed me and a bunch of others to give us an update about when M4 would most likely ship out products and it was spot on. The exhaust fits great had a little trouble pairing it with an SC CRT Exhaust but that was a matching game and was nobodies fault. Overall great experience will do business again whenever I need more parts!

Hunter L.
M4 Exhaust Universal Header Kit 2017-2025 Z900 KA9000
M4 Exhaust Universal Header Kit 2017-2025 Z900 KA9000
Vandemon for Kawasaki H2 Carbon

I just finished installing it!!!👍👍👍
it completely changes the look of the H2 Carbon!!!
I'm going to start the bike in May and I'll send you the video!!!😃😃

Pierre Vallerand
VANDEMON Polished Titanium Exhaust System Ninja H2 & H2R 2015-24 KAWAH2TICSPOLEXHD
VANDEMON Polished Titanium Exhaust System Ninja H2 & H2R 2015-24 KAWAH2TICSPOLEXHD
Excellent Product

I was looking for this exhaust for a long time and finally found it at bills exhaust. The exhaust sounds good! Bills exhaust did a great job from the time I ordered it until I received. Highly recommended.

Tayseer Zaid
LEOVINCE LV Corsa Muffler - Black Edition KAWASAKI NINJA 400/500 2018 - 2025 15400BU 1811-4303
LEOVINCE LV Corsa Muffler - Black Edition KAWASAKI NINJA 400/500 2018 - 2025 15400BU 1811-4303
Excellent !!!! Exhaust !!!

First of I want to thank Bill himself for the excellent customer service and the shipping was quick. I love this M4 Dual Slip on Exhaust for my Hayabusa they definitely sound amazing and easy to install. I definitely will be buying all my products I can get from Bill for sure and definitely my to go to place to buy parts.

Michael D.
M4 Exhaust Dual Carbon Tech 1 Slip Ons 2021 - 2024 Hayabusa SU8324
M4 Exhaust Dual Carbon Tech 1 Slip Ons 2021 - 2024 Hayabusa SU8324
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