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HMF Competition Complete Exhaust - Elliptical
HMF Competition Complete Exhaust - Elliptical

Current price:$572.95 Original price:$635.95
10% Off - Save $63.00
Rating: 4.9 out of 5 stars

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      Item #HMF0006

      24 Reviews

      4.9 out of 5 stars
      •   22 reviews
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      All Reviews


      Verified Purchaser
      Over 5 years ago Lindsborg
      5 out of 5 stars
      Great exhaust

      Overall I love this exhaust. I put it on my 09 yfz450R. Sounds really good, I would like it to be slightly deeper but it still sounds great. When I put the system on the new head pipe rubbed on my clutch cable and one of the coil springs on my rear shock so I had to take it back off and dent the exhaust and bend it slightly but it ended up working out. I love the way it looks and am pretty pleased overall.

      38 Questions

      • Answered:   38
      • Not Yet:   0

      Question asked by Scott

      Question: Does this exhaust definitely come with 3 inserts?
      Question asked 1 year 12 months ago
      Question answered by BillyEXT3407
      User's contributor status: Top 25
      Question answered 1 year 12 months ago
      Answer: Yes, you will receive three Trimax Stage inserts with the purchase of the HMF competition exhaust.

      Question asked by Jeff

      Question: What Jetting would be best
      Question asked Over 3 years ago
      I would like to know what jetting setup I would need for these? 2004 Kawasaki kfx 700 want to use keihin jets
      Question answered by HMF Engineering
      User's contributor status:
      Question answered Over 3 years ago
      Answer: Recommended Tuning
      Slip On - Front - 142 Keihin round
      Slip On - Rear - 145 Keihin round

      Full System - Front - 145 Keihin round
      Full System - Rear - 148 Keihin round

      HMF Basic Jet Kit Includes
      142, 145, 148, 152 Keihin round

      Question asked by Hughart

      Question: What kind of header pipe comes with this?
      Question asked Over 4 years ago
      Question answered by MotoSportExpert
      User's contributor status: Expert MotoSport Staff
      Question answered Over 4 years ago
      Answer: This HMF Competition Complete Exhaust - Elliptical for your 2007 Yamaha YFZ450 comes with a stainless steel head pipe. Feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
      1 - 10 of 38


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      # Part Numbers

      Product Variant Manufacturer Part #
      Black 130214736186, 136254736186, 119394706186, 141404706186, 141414706186

      California Proposition 65

      WARNING: This product contains chemicals, including (Glass wool fibers (inhalable and biopersistent)), known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to