Baxe
Complete Newb
Reged: 04/16/12
Posts: 2
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I just put my Chevy605 pipes on my Speedy '09 and love the popping too.
Should I still have her remapped to aftermarket? Dealer will charge me $80.
Is the popping bad for the engine?
Thx
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foglefar
Learned Hand
Reged: 03/09/05
Posts: 1974
Loc: Brisbane, Australia
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You should remap if the pipes are freer flowing than stock. Otherwise you risk running too lean/hot. The bikes are lean out of the factory. You will also likely get a performance improve.
The pop in an EFI is intentional as the AI explodes unburnt fuel in the headers. No damage done. Not to be confused with get a backfire through the airbox which can shatter an airbox and probably do other damage as well.
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Cheers, Richard
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09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge
Edited by foglefar (06/06/12 08:05 PM)
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Sayantsi
Member
Reged: 07/01/12
Posts: 58
Loc: Capital City, North Carolina, ...
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So, the only downside to the pop is the header getting hotter than normal, and bluing of the pipes can result? I'm also a fan of the popping, its part of the character of the bike imo...
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The_Dog33
Fe Butt
Reged: 02/01/07
Posts: 16984
Loc: NE PA USA
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Depends how lean you are and how much popping you have. Some is good, if jetted or mapped right you should have some but if it is excessive you may be lean enough to burn a valve.
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I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
some shots of our bikes
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RamSound
Loquacious
Reged: 08/09/05
Posts: 2706
Loc: Mary Esther, FL
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As Ian said, "some is good". If you open up the exhaust and set the bike up right, there should be some popping. If you work to eliminate it, you can defeat some of the advantage of greater air flow.
After I had mine set up right, I did have an instance where the popping increased noticeably. It turned out to be my header bolts needed tightening. Any air leak at the engine end will increase popping.
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Bob
2005 America, 904cc BB, SS long slash cuts, UNI with NH bellmouth, jet kit with needles in top position, drilled slides, 128/45 jets, 1.5 turns out, 18/42 sprockets.
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