Description
If you’re running a 2021-2022 Yamaha Mountain Max LE 154, a quality exhaust silencer directly impacts both your sled’s weight distribution and power delivery. The Straightline Performance Exhaust Silencer 133-102 strips unnecessary bulk while unlocking modest but measurable horsepower gains—all without the stock exhaust’s thermal penalties. You get the aggressive, low-tone sound performance riders expect, paired with genuine engineering improvements that matter on the trail or track.
This bolt-on silencer uses your stock mounting location, so installation is straightforward. The ceramic coating serves dual purposes: it reduces under-hood heat buildup and gives your engine bay a finished, professional appearance. Straightline engineered this for real-world riding, not marketing claims—expect 5-7 lbs of weight savings on most builds, with select configurations approaching 14 lbs of total system reduction.
- Fits 2021-2022 Yamaha MM8 Mountain Max LE 154
- Weight reduction: 5-7 lbs
- Horsepower gain: 1-2 hp
- Deep, controlled exhaust tone
- Ceramic-coated finish
- Heat reduction technology
- Stock location mounting
- Bolt-on installation
- Stainless steel option available
- MPN: 133-102
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