Jetting for a Big Gun EVO - Yamaha Raptor Forum
 
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post #1 of 8 (permalink) Old 11-27-2011, 12:53 PM Thread Starter
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Jetting for a Big Gun EVO

I'm thinking of adding the Big Gun EVO-R exhaust and maybe the FMF Powerbomb head pipe. Couple questions. Is that a good combo? How does the Big Gun sound and whats the power increase like? What's the recommended jetting for a combo like that? Thanks guys!

07 Raptor 350 SE Black and Orange
-HMF Competition Exhaust
-Pro Design Pro-Flow Uni Intake (No Lid)
-ITP Holeshots on ITP SS112 Black Wheels
-12/38 Sprocket set-up
-RuKind Reaper Eyes
-LEDs Everywhere
-EMGO Direct Shifter
-Pro Taper Seven-Eights Bars
02 Raptor 660R
-Like it Just Left The Showroom

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post #2 of 8 (permalink) Old 11-27-2011, 01:24 PM
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BIG gun pipes are not the best choice if you ask me, I had one on my 450 and my 400, There not made well at least I don't think so, On both of my pipes they allowed the packing to blow by not just small amounts but a lot, and the sound is not that great... But thats just me everyone has there own opinion
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post #3 of 8 (permalink) Old 11-27-2011, 03:26 PM Thread Starter
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Quote:
Originally Posted by Kust3mz View Post
BIG gun pipes are not the best choice if you ask me, I had one on my 450 and my 400, There not made well at least I don't think so, On both of my pipes they allowed the packing to blow by not just small amounts but a lot, and the sound is not that great... But thats just me everyone has there own opinion
Do you know of any good pipes in that price range? Like $240-300

07 Raptor 350 SE Black and Orange
-HMF Competition Exhaust
-Pro Design Pro-Flow Uni Intake (No Lid)
-ITP Holeshots on ITP SS112 Black Wheels
-12/38 Sprocket set-up
-RuKind Reaper Eyes
-LEDs Everywhere
-EMGO Direct Shifter
-Pro Taper Seven-Eights Bars
02 Raptor 660R
-Like it Just Left The Showroom

07Special350 is offline  
 
post #4 of 8 (permalink) Old 11-27-2011, 04:10 PM
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I like HMF pipes had one on my yfz450r now i have one for my 700 raptor you can get them at a great price online new or used
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post #5 of 8 (permalink) Old 11-27-2011, 04:21 PM Thread Starter
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Quote:
Originally Posted by Kust3mz View Post
I like HMF pipes had one on my yfz450r now i have one for my 700 raptor you can get them at a great price online new or used
I saw those. They look nice, I don't want something too loud. Are the HMF pipes really loud or closer to a stock muffler?

07 Raptor 350 SE Black and Orange
-HMF Competition Exhaust
-Pro Design Pro-Flow Uni Intake (No Lid)
-ITP Holeshots on ITP SS112 Black Wheels
-12/38 Sprocket set-up
-RuKind Reaper Eyes
-LEDs Everywhere
-EMGO Direct Shifter
-Pro Taper Seven-Eights Bars
02 Raptor 660R
-Like it Just Left The Showroom

07Special350 is offline  
post #6 of 8 (permalink) Old 11-27-2011, 04:23 PM
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there pretty loud, if you wont a little sound look into the fmf slipon with the quite core
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post #7 of 8 (permalink) Old 11-27-2011, 04:39 PM Thread Starter
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Quote:
Originally Posted by Kust3mz View Post
there pretty loud, if you wont a little sound look into the fmf slipon with the quite core
What's that like compared to stock?

07 Raptor 350 SE Black and Orange
-HMF Competition Exhaust
-Pro Design Pro-Flow Uni Intake (No Lid)
-ITP Holeshots on ITP SS112 Black Wheels
-12/38 Sprocket set-up
-RuKind Reaper Eyes
-LEDs Everywhere
-EMGO Direct Shifter
-Pro Taper Seven-Eights Bars
02 Raptor 660R
-Like it Just Left The Showroom

07Special350 is offline  
post #8 of 8 (permalink) Old 11-27-2011, 05:15 PM
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Its maybe a tad bit louder but you can also remove the quite core if you like I'm pretty sure but you cant go wrong with the hmf I'm telling ya
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