Yoshimura Yamaha R7 AT2 Stainless Race Series Exhaust

Cycle News Staff | May 19, 2023

Yoshimura’s AT2 Race Series Stainless exhausts for 2022-23 R7 and 2017-23 MT-07 Yamaha models are modeled after the titanium versions.

Yoshimura Yamaha R7 AT2 Stainless Race Series Exhaust

Made from premium-alloy stainless steel, the new AT2 has Yoshimura’s proprietary Works finish that give it a unique coloring after going through a heat cycle. On a stock engine with no mods and 91-octane pump fuel, Yoshimura measured an increase of 5.7% horsepower and 2.7% torque. Legal in the MotoAmerica Twins Cup class, the AT2 is 9.6 pounds lighter than stock and it tucks under the bike’s cowling to keep it out of harm’s way.

VIDEO | Yoshimura Works Finish

Yoshimura

The has an MSRP of $819 and the first production run can be reserved; e-mail or call Yoshimura for an estimated ship date at sales@yoshimura-rd.com or 800-634-9166

Yoshimura Yamaha R7 AT2 Stainless RS Exhaust

Here is the complete press release from Yoshimura…

Yoshimura AT2 Race Series Stainless for Yamaha R7

When it came to crafting a special race exhaust for the Yamaha R7, we pulled out all the stops. Modeled after the titanium version, the AT2 Race Series Stainless for 2022-23 Yamaha R7 and 2017-23 Yamaha MT-07 models has Yoshimura’s Works finish. Made from premium-alloy stainless steel, it balances performance and value.
Yoshimura Yamaha R7 AT2 Stainless Race Series Exhaust right side

On a stock engine with no mods and 91-octane pump fuel, Yoshimura measured an increase of 5.7% horsepower and a increase of 2.7% torque. Legal in the MotoAmerica Twins Cup class, it shaves 9.6 pounds off over stock, and tucks under the bike’s cowling to keep it out of harm’s way as much as possible.

Yoshimura Yamaha R7 AT2 Stainless Race Series Exhaust

Product Details:

  • For closed-course competition use only
  • Full stainless-steel construction
  • Saves 9.6 lbs from the stock OEM exhaust system
  • Includes M18 lambda sensor bung at the tailpipe
  • Works with stock bike, but designed for highly modified race-tuned engines
  • Developed by Yoshimura while building #ProjectR7 piloted by Ari Henning and tested by 2022 MotoAmerica Twins Cup Champion Blake Davis
  • Optional sound insert kit available for -4dB if required (INS-20-K)
  • Legal for use in MotoAmerica Twins Cup Class

Dyno chart stock engine with AT2 Race Series Stainless exhaust
Dyno chart: stock engine with AT2 Race Series Stainless exhaust

Yamaha R7 AT2 Race Series Full System – pricing and info.

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

22-23 Yamaha R7 17-23 MT-07 AT2 Race Series FS SS/SS/CF WF

Part # 13720AP520
MSRP: $819

Weights:

Stock system: 17.1lbs
AT2 SS Full system: 7.5lbs

For more information, visit www.yoshimura-rd.com

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