Yoshimura · AT2 · Slip-On
The Yoshimura AT2 Street Series Stainless slip-on exhaust is built to give the Honda CB750-Hornet 2025–2026 a sharper look and a more aggressive tone with a clean, purpose-built Street Series fit. Designed as a slip-on system, it targets riders who want a straightforward exhaust upgrade that complements the Hornet’s parallel-twin character.
Yoshimura reports meaningful gains in key areas, including reduced system weight and verified performance improvements shown on the dyno chart. The AT2 package is also paired with a custom carbon fiber heal guard, rounding out the finished appearance while supporting everyday street use.
Sound
Built as part of Yoshimura’s Street Series Exhaust System lineup, the AT2 slip-on is tailored specifically for the Honda CB750-Hornet 2025–2026. It’s designed to enhance the bike’s visual presence while delivering the distinctive sound character riders expect from Yoshimura’s AT2 series.
Materials
This AT2 system is constructed from stainless and configured as a slip-on, making it a focused replacement that targets the exhaust canister section. The stainless build aligns with the AT2’s performance-oriented intent while keeping the overall system design clean and compact on the CB750-Hornet.
Performance
Yoshimura reports up to 1.5% more HP at 8 and up to 2% more torque at 7 for this system.
Performance
For riders focused on measurable results, the included dyno information supports the AT2’s goal of adding performance to the CB750-Hornet platform. Yoshimura reports "up to 1.5% more HP at 8" and "up to 2% more torque at 7". Those verified performance claims are presented alongside the dyno chart shown on the page for a clear look at how the AT2 is intended to affect output.
Sound
The AT2 is designed to bring a stronger exhaust note to the CB750-Hornet, with published sound testing shown using J2825 standards. Sound levels are listed at 2000 rpm and 5000 rpm for both the stock system and the AT2, offering a direct, rpm-matched reference. Riders who want to fine-tune volume can review the sound insert options table shown on the page.
Installation
This Yoshimura AT2 Stainless slip-on is specified to fit Honda CB750-Hornet 2025–2026 (see the fitment table below). For planning and install confidence, the page also includes an installation PDF and a product video. These resources help confirm the intended application and provide guidance before and during the install process.
Development
Yoshimura states the AT2 is designed, developed, and manufactured in Chino California. That development background aligns with the AT2’s role as a Street Series slip-on aimed at riders who value the brand’s engineering approach, distinctive styling, and a sound profile that matches the CB750-Hornet’s street-focused personality.
Figures as reported by Yoshimura.
| Part Number | 12760BP520 |
|---|---|
| Brand | Yoshimura |
| Product Line | Street Series Exhaust System |
| Series | AT2 |
| System Type | Slip-On |
| Material | Stainless |
| Shipping Weight | 9 lb |
| Barcode | 00840025918528 |
| Emissions Compliance | QUALIFIED MANUFACTURER DECLARED "REPLACEMENT PART" |
| Make | Model | Model Years |
|---|---|---|
| Honda | CB750-Hornet | 2025–2026 |
Fitment as listed by Yoshimura for part number 12760BP520.
| Part Number | Type | Included With This System |
|---|---|---|
| INS-20-K | Sound Insert | No |
| INS-27-K | Sound Insert | No |
| INS-35-K | Sound Insert | No |
Instructions / What's Included (PDF)
Provided by Yoshimura. Opens in a new tab.
