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ATV Forum  >  Sport/Performance  > Big gun vs hmf full exhaust for 2004 400ex Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 2   Next rocket__22 • View posts Belle Plaine New Member Joined: 07/17/2009 View Profile Offline Posted: 07/22/09 09:46pm Link  |  Quote  |  Print  |  Notify Moderator Let me know what you think. If you have experience with both full systems for the 400ex let me know please. Thanks guys rappy350r • View posts ny Elite Member Joined: 09/28/2005 View Profile Offline Posted: 07/30/09 09:00am Link  |  Quote  |  Print  |  Notify Moderator hmf is alot better 2007 Honda 450er HRC Kit HMF/HRC Exhaust Outerwear racing airbox cover Fasst Flexx bars Turner mounts Oury grips Blingstar Iron Cross Bumper Blingstar Pro am Nerf Bars Powermadd Power X Handguards Pro Armor Kill Switch Ricky Stator lights Tusk Vent Hose rocket__22 • View posts Belle Plaine New Member Joined: 07/17/2009 View Profile Offline Posted: 07/30/09 10:08am Link  |  Quote  |  Print  |  Notify Moderator rappy350r wrote: hmf is alot better do you have experience with both? YOURADHERE • View posts Louisiana Elite Member Joined: 07/28/2006 View Profile Offline Posted: 07/30/09 10:12am Link  |  Quote  |  Print  |  Notify Moderator Its going to be hard to find someone who has experience with both systems, specifically on a 400ex. However in some dyno test Ive seen the HMF makes more power then the Big Gun. 07 z400-Yoshimura R3 full system,Uni filter,White Brothers CDI,Hydrodynamic +2 ST A Arms,G Force +2 axle,TCS Shocks w/remote rezzies,PEP stabilizer,RazrMXrears on ITP T9s, KendaMX fronts, Skat Trak 7paddle Haulers on Douglas .125s....I need more sig room rocket__22 • View posts Belle Plaine New Member Joined: 07/17/2009 View Profile Offline Posted: 07/30/09 10:51am Link  |  Quote  |  Print  |  Notify Moderator ya but i have also heard that big gun is known for more power at least thats what the guys at my local store say when i asked them what they thought between hmf vs big gun. blasterfan84 • View posts lindsay On Elite Member Joined: 06/17/2006 View Profile Offline Posted: 07/30/09 07:56pm Link  |  Quote  |  Print  |  Notify Moderator i see a lot more HMF pipes out there than big guns, ive never used either butfrom what ive seen and heard HMF seems like a better option 09 450SX, QT hump seat, Flexx lo bars, hipers, FMF Slipon, Floats, Razr MX tires d-bike CDI, fourwerx hood, polisport handguards, maybe some porting for next year 09 Sponsors, KTM Canada,HB Cycle,Race Toyota,TEKvest ,Motovan,Fourwerx Carbon Rincon-newby • View posts Southeast Ga. Senior Member Joined: 04/29/2006 View Profile Offline Posted: 08/04/09 08:59pm Link  |  Quote  |  Print  |  Notify Moderator I will be going with the HMF Sport pipe for my 07 400EX because it can be color coded to your atv color. Plus I can get a jet package to compliment the pipe, and get the Honda shop to install and test it. Plus the HMF and HLS suspension companies are linked and will be getting a pair of Rezzie shocks up front and revalved on the sent in rear shock. 250exridr • View posts NH/MA Elite Member Joined: 08/23/2005 View Profile Offline Posted: 08/05/09 04:55am Link  |  Quote  |  Print  |  Notify Moderator Jet kit is a waste of money. Buy a 150, 152, and 154 jet and save yourself 45 bucks 02 400ex with modZ YOURADHERE • View posts Louisiana Elite Member Joined: 07/28/2006 View Profile Offline Posted: 08/05/09 08:37am Link  |  Quote  |  Print  |  Notify Moderator Indeed. Coming from someone who bought a jet kit. Unless youre doing alot of tuning or will be travelling and riding in alot of different altitudes/conditions a jet kit is a waste of money. rocket__22 • View posts Belle Plaine New Member Joined: 07/17/2009 View Profile Offline Posted: 08/05/09 10:26am Link  |  Quote  |  Print  |  Notify Moderator ok thanks for the tip Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 2   Next ATV Forum  >  Sport/Performance  > Big gun vs hmf full exhaust for 2004 400ex

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