De-catted code problems?
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Tourer
Joined: Aug 2011
Posts: 397
Likes: 27
From: McKinleyville, CA
De-catted code problems?
If you put on a de-catted head pipe do you have any problem with bike throwing codes or any negative performance problems. I have a 14 SGS with Stage 1 download and SE Stg 1 AC and am waiting for my Street Cannons. I purchased a de-catted stock header pipe and was wondering if it will cause any negative effects or codes or any other kind of problems. I know the positive side of it running cooler and flowing better but just wanted to check on any negative problems before I install. Thanks for any help.
Road Warrior
Joined: Oct 2010
Posts: 1,862
Likes: 126
From: Republic of Texas
As one with Street Cannons, this is what I fear. My indy mechanic, who does Dyno service, said there will be a 5-8% increase in volume with the a decatted header pipe.
Ultimate HDF Member
Joined: Jun 2010
Posts: 5,105
Likes: 16
From: Blaine, WA
Just did the same, liked them just fine with the cat, not so much now. See this thread, I did a comparison video. It's not completely realistic but does show differences from one to another.
Seasoned HDF Member
Joined: Jun 2013
Posts: 10,858
Likes: 5,420
From: My own little slice of heaven
The mechanic at my dealer told me, yesterday, that the StreetCannons are engineered and designed to work with back pressure. Not only will it get louder but I will also become more "tinny".they have never given me reason to doubt what they say but I have not heard them in person with decatted pipes.
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Outstanding HDF Member
Joined: Aug 2013
Posts: 3,414
Likes: 374
From: Southern NY, known as Florida
I used the V & H twin slash cuts with the decatted pipe. First I add the twin slash cuts and it was relatively quiet and the sound was ok. Once I decatted the pipes, the sound became deeper and throatier. Very happy the level and tone of sound
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Ultimate HDF Member
Joined: Jun 2010
Posts: 5,105
Likes: 16
From: Blaine, WA
The mechanic at my dealer told me, yesterday, that the StreetCannons are engineered and designed to work with back pressure. Not only will it get louder but I will also become more "tinny".they have never given me reason to doubt what they say but I have not heard them in person with decatted pipes.