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Jul 31, 2014 | 04:51 PM

somorkc

Thread Starter

Cruiser

Joined: Mar 2014

Posts: 217

Likes: 2

From: thayer, Missouri

tuner

I have a stage one air cleaner and se race only slip ons. if I go with cobra true dual headpipes do I really need to retune?
its a 04 flhrsi
jim

Last edited by somorkc; Jul 31, 2014 at 05:03 PM.

Jul 31, 2014 | 05:00 PM

mkguitar

Extreme HDF Member

Joined: Sep 2010

Posts: 14,744

Likes: 402

From: Phoenix '53, '88, '09 Big Twins

to check whether they did a "download" rev the motor- the stock rev limit is usually 5600 RPM's.

if yours revs higher, you know that a download has been done.
and you'll probably be fine

Mike

Last edited by mkguitar; Jul 31, 2014 at 06:49 PM. Reason: he added the model year- 2004...

Jul 31, 2014 | 05:24 PM

Florida Swamp Yankee

Road Captain

Joined: Jun 2011

Posts: 594

Likes: 10

From: Seminole County, FL

I have been using a Daytona Twin Tech tuner cost about $250.00 three years ago, good product but wish I had the bread to buy a self tuning model.

You can adjust the one I have on the fly but you need to have the chart to make adjustments as needed. You need a tach on the bike so you can identify the range you want to tweak. With the cost and finding a good dyno tech you can easily exceed the cost of a self tuning unit.

If I were a rich man...

Jul 31, 2014 | 06:12 PM

mwegryn

Road Warrior

Joined: Apr 2010

Posts: 1,542

Likes: 5

From: Cleveland, OH

With the slip-ons and air cleaner you probably should have.

Jul 31, 2014 | 06:22 PM

KEYBEAR

Road Master

Joined: Mar 2013

Posts: 1,040

Likes: 0

From: Indiana

I have a 103 did the de-cat with Slip-Ons and just felt it would run cooler and better with a tuner . I have a Power Vision and did a map from Fuel Moto no auto tunes yet but I can see it coming . It did cut my mileage about 3 mpg I was getting 50 or 52mpg so it did what I needed it to do add gas . The bike runs well and a bunch cooler .

Jul 31, 2014 | 06:30 PM

somorkc

Thread Starter

Cruiser

Joined: Mar 2014

Posts: 217

Likes: 2

From: thayer, Missouri

the guy I bought it from said he bought it new and had the stage one a/c and slip ons put on at the dealership before he picked it up. I am assuming they did it when bought. he said he wasn't sure but they did charge him for the installation and something else.
jim

Jul 31, 2014 | 06:47 PM

TcHunter

Outstanding HDF Member

Joined: Mar 2014

Posts: 2,452

Likes: 23

From: Michigan

Yes you should get a tuner, as another poster said with the slip ons and upgraded air cleaner it may of been a good ideal to of had one then. Now there is a chance the dealer did a flash but a tuner would make it run a lot better. Now that you want to add the Cobras you should definitely get some kind of tuner. Riders choice.

I started my Cobra Power Port install today, I chose to go with the Fp3, budget friendly for me and I probably will not do more then a stage 1 anyways. But anyways good luck to you.