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Cobra Exhaust 4" Slip-On Muffler For Yamaha Bolt 2014
  • Black
  • Black
  • Black

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Cobra Exhaust 4" Slip-On Muffler For Yamaha Bolt

This unique 4" muffler features advanced acoustical tuning technologies for a deep rumbling sounds. The 4" round muffler front expands near the rear to 4.5" diameter. The matte titanium finish on the aluminum tip is matches the color of the stock bike's heat-shields. And the satin black muffler includes a custom heat shield to smooth the transition from the stock head pipes to the Cobra muffler. The tip uses seven, 12-point bolts that also give the dished tip a distinctive, almost aircraft quality look. The muffler comes with a 3" core encased in proprietary Cobra sound tuning materials with specific acoustical dampening and thermal insulation properties. The deep bass notes are made possible because of class-leading resonance absorption and prevention. The frequency and location of the perforation patterns in the high-flo core creates significant sound scattering in the mid frequencies, which helps to enhance the low frequency tones. The high-flo core itself is a massive 3" in diameter which gives the muffler an aggressive look without the objectionable sound levels. 


  • Hardware included
  • Made in the USA


This Product Fits:
Star Bolt 2014, 2015
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Cobra Exhaust 4 Slip-On Muffler For Yamaha Bolt 2014 5 5 1 1
Nice! This product is a great compromise between loudness and performance. The result is a nice deep throaty sound without being obnoxiously loud. I suggest you try the Cobra with no additional products first, and see how your bike sounds and performs. I added the Cobra air intake system and the Cobra Fi2000R PowerPro Tuner at the same time. In hind site I would have added one component at a time. If you do add the high air intake filter you will need a fuel management system. The Fi200R works great on the Bolt. I had bad results with Vance & Hines products. July 31, 2014
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Cobra Exhaust 4" Slip-On Muffler For Yamaha Bolt 2014
Already Asked: 3 Questions, 4 Answers
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RevZilla Store asked: Why did you choose this?
Joseph M: I searched a lot of sites and this one had what i was looking for. Jun 7, 2014
A shopper asked: Does this exhaust effect the fuel injection? Do you need to buy a piggyback fuel management system? Apr 2, 2014
Answer this · Send to friends Good question? Yes (3) No (0)
Hai L: No you do not need a fuel management system.

Cobra recommends that you do; however, a very knowledgeable person at my local Yamaha dealership said that the Bolt has a digital fuel injection system that will automatically adjust to the new exhaust. I purchased and installed the Cobra exhaust on my Bolt and it runs very smoothly. It just looks great, sounds amazing.
Jun 2, 2014
Reply to Hai Good answer? Yes (1) No (0)
Mark B: I also need to know that before ordering one. Apr 4, 2014
Reply to Mark Good answer? Yes (0) No (2)
yair b asked: Does this exhaust work with the stock O2 sensor? Dec 30, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Joseph M: Yes it dose, it's a complete system bolt on. Jan 7, 2015
Reply to Joseph Good answer? Yes (0) No (0)
Product Style RevZilla Item # Manufacturer Product # Availability
Black 949823 2527B In Stock: Usually ships in 1-2 business days