Yoshimura R&D of America, Inc.

GSX-R1000 17-25 AT2 Stainless Slip-On Exhaust, w/ Stainless Muffler

GSX-R1000 17-25 AT2 Stainless Slip-On Exhaust, w/ Stainless Muffler - Main image
$512.85 $789 In stock

Category: Street Series Exhaust System

Let’s face it, there is only one choice for the GSX-R1000 when it comes to the best exhausts and engine platform…Yoshimura.

Introducing our latest muffler design, AT2 for the bike that has won many superbike championships and has a special place in the heart of Yoshimura.

Our AT2 slip-on for the GSX-R1000 makes the high revving inline four come to life and sound like it should. Features include our exclusive Works Finish, an aggressively styled matte finish heal guard and end cap complimented by a facet-formed tip. End result 2.2% max power increase, 2.1 lbs. weight saving and being a Street Series slip-on makes it 50-state emissions legal.

Sound Insert/Spark Arrester Options

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Sound Level

Volume Insert Spark Arrestor Included
INS-20-K Yes
INS-27-K No
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Benjamin Y. ★★★★★

The install was straightforward, and the stainless muffler has a deep, aggressive tone without being obnoxious. The build quality feels solid, and it shed about 5 pounds from the stock setup.

Zoe I. ★★★★★

I was worried the AT2 muffler would be too loud for daily rides, but the sound is actually well-mannered until you open it up. The stainless construction already has that quality feel in the hand, and the install was straightforward. It’s exactly the upgrade my GSX-R1000 needed for both looks and th

Stella ★★★★★

The deep tone of that stainless muffler is incredible—way darker and richer than I expected from a slip-on. It bolted right up to my stock hangers with zero hassle, and the throttle response feels noticeably crisper in the mid-range.