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L2 Series Lightweight Stainless Steel Muffler - Stage 2 // 2017-2020 ZR/XF/M 9000 / Yamaha Sidewinder

SKU: AC9000TM-2
HORSEPOWER GAIN: 15 HP
WEIGHT SAVINGS: -8 POUNDS!
Price:
$599.95

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Speedwerx L2 Series Lightweight Muffler - Stage 2 (requires ECU re-mapping)

Our TIG welded 304 Stainless Steel muffler is a must-have for the new 998 Turbo models. After extensive testing, we are seeing an awesome 23hp gain over stock, with a nice 8lb weight loss as well! This muffler bumps up the boost slightly and leans out the air-fuel ratio, so ECU remapping is required to ensure long term reliability. Even though this is our L2 (Light and Loud) version, the sound level is reasonably low. Much like the similarly designed mufflers we have for the 1100 Turbo models, it is louder than stock but the turbo itself does a lot to help quiet it down to a tolerable level for everyday trail riding.

For a nice boost in power without needing an ECU remap, check out our Stage 1 muffler that makes 15hp over stock with no other changes required!

Stock vs. Stage 2 Muffler comparison (only the muffler was changed, the ECU is stock- remapping will add more power and speed)

Stock Muffler- 105mph at 8600rpm

Stage 2 Muffler- 113mph at 8980rpm!


 

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⚠WARNING: Cancer and Reproductive Harm — Speedwerx, Inc. Prop65 Warnings or www.P65Warnings.ca.gov.
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These items are intended for closed-course competition only. Alternation of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.