FuelPak a necessity?
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6th Gear
Joined: Feb 2016
Posts: 11
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From: ocala
FuelPak a necessity?
I recently purchased the Vance and Hines Super Radius exhaust system for my 2016 Road Glide. I'm not sure what type of tuning I want to go with yet. How crucial is it that I get it flashed/tuned before riding? In the past, my bikes already came with exhaust and I never thought too much of what the previous owner had done.
Thank you
Thank you
Outstanding HDF Member
Joined: Sep 2014
Posts: 2,717
Likes: 273
From: Minnesota
No you won't need anything for just the exhaust.
Here's the gig;
Air flow on factory bikes is limited by both the air filter and exhaust, the air/fuel ratio the ECM allows is set for required EPA values.
This is one of the first things folks change and is referred to as a Stage 1 upgrade.
You can change the Air filter or the Exhaust and no change to the ECM's AFR is needed because the air flow is still restricted by the other component.
It's when you change both filter and exhaust to more free flowing systems that something should be done to adjust the AFR.
Here's the gig;
Air flow on factory bikes is limited by both the air filter and exhaust, the air/fuel ratio the ECM allows is set for required EPA values.
This is one of the first things folks change and is referred to as a Stage 1 upgrade.
You can change the Air filter or the Exhaust and no change to the ECM's AFR is needed because the air flow is still restricted by the other component.
It's when you change both filter and exhaust to more free flowing systems that something should be done to adjust the AFR.
Last edited by JohnMn; Mar 22, 2016 at 11:29 AM.
Outstanding HDF Member
Joined: Oct 2009
Posts: 2,791
Likes: 690
From: Smalltown,USA
Yes it will. Change the header at the same time.
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