Installing the GW' Shotgun Muffler / Turnout End for XL (Sportster): Including O2 Sensor Handling by Model Year
Installation steps for the GW' Shotgun Muffler / Turnout End for Sportster (XL). Covers, with photos, removing the stock mufflers and using the spacers, installing the brackets, handling the O2 sensor by model year, and mounting the front and rear mufflers.
- Filling the gap left after removing the stock mufflers with spacers
- Different O2 sensor handling for '04-'06, '07-'13 and '14-'18
- Mounting the mufflers in order: front, then rear
The GW' Shotgun Muffler / Turnout End is a GLEAMING WORKS muffler for the Sportster (XL). Models are available for the '04-'06, '07-'13 and '14-'20 model years.
This page covers removing the stock mufflers, installing the brackets, handling the O2 sensor by model year, fitting the flanges to the exhaust pipes, and mounting the front and rear mufflers.
01 Removing the stock mufflers and installing the brackets
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Remove the stock mufflers. Since this leaves a gap where the stock mufflers were removed (photo on the right), place the supplied spacers in between and install the cover.
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Install the supplied brackets as shown in the photo.
02 Fitting the O2 sensor and flanges
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Prepare the O2 sensor port on the muffler according to the model year.
| Model year | O2 sensor port |
|---|---|
| '04-'06 | Install the blanking bolt |
| '07-'13 | Direct fit. Install the O2 sensor as is |
| '14-'18 | Install the thread adapter, then the O2 sensor |
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Fit the stock flanges onto the exhaust pipes.
03 Installing the mufflers
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Install the muffler (front).
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Install the muffler (rear). Tighten all bolts and nuts to complete the installation.
Before riding, recheck the tightness of all bolts and nuts. If you are unsure about installing it yourself, please have the work done by someone with the proper knowledge or by a custom shop. If you have any questions, please contact us via our contact form.
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*Installation is at your own risk. If you're unsure about doing the work yourself, we recommend consulting your local motorcycle shop.
*The content and photos reflect the time of writing. Please check each product page for current specifications, fitment and stock.