Am I wrong? (Engine Mod.)
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Tourer
Joined: Jan 2008
Posts: 327
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From: Seacoast, New Hampshire
Am I wrong? (Engine Mod.)
I have a 2007 Softail Custom.
I would like to get the Harley Stage 1 air filter kit and the SERT. I do not want to replace pipes or add slip-ons unless I have to.
I know the SERT is overkill, but I might want the 110 or other engine work in five or six years. I know it will take dyno-time.
It is my intent to free up the engine to breath correctly and get a better overall response and midrange power. I am not looking for peak HP, just long term reliable performance.
Will it work without the screaming eagle slip-ons? or do I need the exhaust more open as well as the input at this level?
Ps I have read the EFI post, know the slip-ons are street legal, and still just dont want to change pipes unless I really need to.
Thanks,
Mike@NHCA.US
I would like to get the Harley Stage 1 air filter kit and the SERT. I do not want to replace pipes or add slip-ons unless I have to.
I know the SERT is overkill, but I might want the 110 or other engine work in five or six years. I know it will take dyno-time.
It is my intent to free up the engine to breath correctly and get a better overall response and midrange power. I am not looking for peak HP, just long term reliable performance.
Will it work without the screaming eagle slip-ons? or do I need the exhaust more open as well as the input at this level?
Ps I have read the EFI post, know the slip-ons are street legal, and still just dont want to change pipes unless I really need to.
Thanks,
Mike@NHCA.US
Road Captain
Joined: Oct 2007
Posts: 508
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RE: Am I wrong? (Engine Mod.)
I would say changing the pipe without changing the air filter is fine but the other way around isn't.
The stock air filter is pretty restrictive, if you give it more air and then more fuel you need to allow it to flow out correctly.
This doesn't always equal loud depending on baffle technology and style of pipes.
The stock air filter is pretty restrictive, if you give it more air and then more fuel you need to allow it to flow out correctly.
This doesn't always equal loud depending on baffle technology and style of pipes.
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
Likes: 35
From: Rochester, NY
RE: Am I wrong? (Engine Mod.)
What your looking to do will work, just not as well as adding a less restrictive set of pipes/mufflers will.
If its the cost of them that's holding you back you can "fix" the stock mufflers so they areless restrictive, and have a better sound.
Check out the second half of this posting over in the Dyna section.
https://www.hdforums.com/m_2546488/m...tm.htm#2557186
Do the muffler "mod"with the SERT and AC upgrade and you shouldgetperformancesimilar to that of thenewer SEII's.
If its the cost of them that's holding you back you can "fix" the stock mufflers so they areless restrictive, and have a better sound.
Check out the second half of this posting over in the Dyna section.
https://www.hdforums.com/m_2546488/m...tm.htm#2557186
Do the muffler "mod"with the SERT and AC upgrade and you shouldgetperformancesimilar to that of thenewer SEII's.
Outstanding HDF Member
Joined: Mar 2007
Posts: 2,881
Likes: 7
From: North Georgia
RE: Am I wrong? (Engine Mod.)
You're not really helping yourself out any until youenhance the WHOLE "air-pump", meaning youshould change the pipes too.
Different pipes doesn't automatically mean LOUDER. There are numerous baffle options out there that improve the motor's ability to breath better and keep the sound within "reasonable".
Different pipes doesn't automatically mean LOUDER. There are numerous baffle options out there that improve the motor's ability to breath better and keep the sound within "reasonable".
Road Captain
Joined: Oct 2007
Posts: 508
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RE: Am I wrong? (Engine Mod.)
ORIGINAL: PoorBoy
You're not really helping yourself out any until youenhance the WHOLE "air-pump", meaning youshould change the pipes too.
Different pipes doesn't automatically mean LOUDER. There are numerous baffle options out there that improve the motor's ability to breath better and keep the sound within "reasonable".
You're not really helping yourself out any until youenhance the WHOLE "air-pump", meaning youshould change the pipes too.
Different pipes doesn't automatically mean LOUDER. There are numerous baffle options out there that improve the motor's ability to breath better and keep the sound within "reasonable".
Cruiser
Joined: Mar 2007
Posts: 232
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RE: Am I wrong? (Engine Mod.)
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