I have a 2004 road king and just newly installed some straight pipe fishtails. Love the sound but the bike doesn’t like em. Under low idle 10-30 mph. It spits and sputters. The straight pipes don’t have enough back pressure. My question is What is the cheapest and easiest way to fix this? Not sure if a $500 tuner will fix this issue. Any ideas. Thank you.

 

CK Customs lollypops.

 

Couple questions.

One would assume you Roadking is a FI model since your considering a tuner?

Explain low idle at 30mph?

 

You never want back pressure, or restriction.. that’s a misguided myth. You want to brake up reversion. The bolt trick AKA TTI’s, AKA Lollipops do a pretty good job of restoring most of that dip. Opening up the tails helps too.

 

Bolt trick ? I’ve welded a small washer inside of other pipes and seemed to work as well, but what is TTi’s or lollipops ?

 

what is CK customs lollipops ?

 

Essentially a washer on a bolt

 

Some folks have reported good results with these:

Choosing the Right Size Thunder Torque Inserts

 

It's DK Customs, not CK. Eye bolt, lollipop, TTI. All basically the same.

John

 

I have been doing this for over 30 years.