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#272-205: Dual Exhaust Pop Stopper (sold each) Double click on above image to view full picture

Dual Exhuast Pop Stopper

$4.49

Overview

Here’s a simple, quick fix for annoying decel popping on pre-2009 Touring model bikes with stock headpipes and low restriction, straight-through style mufflers.

Details

Here’s a simple, quick fix for annoying decel popping on pre-2009 Touring model bikes with stock headpipes and low restriction, straight-through style mufflers. By nature of its crossover design, the left side pipe becomes a source for exhaust reversion (inbound fresh air) due to the natural in-out pulses of the exhaust pressure wave. This can affect the oxygen sensor readings and causing the system to change the mixture which can result in decel popping. This simple device reduces the inbound flow from the left pipe and stops fresh air from reaching the sensor. Remove the left side muffler; install the Pop Stopper in the headpipe at the muffler joint. Adding this product will have little to no effect on power output.

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Customer Reviews

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It just works Review by Mark
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I was getting bad decel pop on my 2005 Road King no matter how I set up the Thundermax maps. After searching the online Harley forums, I found several people with the same problem and one of them had contacted Zippers and was told to try this pop stopper. He said it worked for him and I figured $5 was worth a shot. The only downside was the shipping cost. I got a call from Eric at Zippers and he offered to send it USPS for much less than the UPS rates. I got it in 3 days; it took about 15 minutes to install. The change was instantaneous. The only change other than the lose of the decel pop was the left pipe is slightly quieter than the right pipe. I am one happy camper now. Thank you Zippers and thank you Eric. That is great customer service. (Posted on 6/8/2015)

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Additional Information

Brand Misc.
Model No
Exhaust Type No
Emissions Compliant No
Fuel / Air No
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