Question on pipes...
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Intermediate
Joined: Apr 2009
Posts: 41
Likes: 0
From: SE PA, USA.
Question on pipes...
I know this has probably been asked 100 times before but just a quick question.. I have Cycle Shack Slip ons right now that sound good. But I really like the look of these...http://www.holley.com/27410-4DHKR.asp
I have not done any mods on my 07 FXST. No stage 1, AC, or anything, it sounds nice and runs fine with the slip ons.. Can I run these pipes without any other mods or should I mod. to run these??
Thanks,
I have not done any mods on my 07 FXST. No stage 1, AC, or anything, it sounds nice and runs fine with the slip ons.. Can I run these pipes without any other mods or should I mod. to run these??
Thanks,
5th Gear
Joined: May 2009
Posts: 9
Likes: 1
From: mentor, Ohio
I'm no master mechanic, but any pipe change whether it be pipes, slip-ons, baffle changes etc. should be followed by a dyno tune. Any change will affect ur fuel to air ratio and the bike will not run to its optimum unless its checked. Granted dyno runs and tunes arent cheap but its cheaper to have it checked than burn up a valve or worse. This is just my opinion, not the "word of God" . Just my opinion.
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
Likes: 35
From: Rochester, NY
It shouldn't present any problems.
Remember even the best exhaust in the world isn't going to get any more air into the engine than the intake will flow.
So as long as you don't change the intake any actual change in the AF ratio is going to be minimal at best.
But as soon as you decide to do something to the intake, all bets are off and its time for some map work.
Remember even the best exhaust in the world isn't going to get any more air into the engine than the intake will flow.
So as long as you don't change the intake any actual change in the AF ratio is going to be minimal at best.
But as soon as you decide to do something to the intake, all bets are off and its time for some map work.
Extreme HDF Member
Joined: Jul 2006
Posts: 10,058
Likes: 8
From: MEXICO
It shouldn't present any problems.
Remember even the best exhaust in the world isn't going to get any more air into the engine than the intake will flow.
So as long as you don't change the intake any actual change in the AF ratio is going to be minimal at best.
But as soon as you decide to do something to the intake, all bets are off and its time for some map work.
Remember even the best exhaust in the world isn't going to get any more air into the engine than the intake will flow.
So as long as you don't change the intake any actual change in the AF ratio is going to be minimal at best.
But as soon as you decide to do something to the intake, all bets are off and its time for some map work.
Mimo.
Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
Likes: 6
From: Leander Texas
go for it. you are on your way to doing a stage 1 in the future. if you want a cheap way to richen the engine just pm me.
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Cruiser
Joined: May 2009
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see i dont know what to think now. i going with the v&H BSL,se air cleaner and a file from harley on my 08 fatboy. The dealer said i will be fine with this set up. Then there are non harley mechanics on this forum telling me that the file is worthless. how can i richen the engine? without breaking the bank? thanks
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