<http://schema.org/description>
"End cap kit for the stock rear muffler&lt;br&gt;(this kit is needed to replace the stock side mufflers&lt;br&gt;and operate the stock rear muffler only)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.supersprint.com/ww-en/porsche-911-997-series/porsche-997-gt3-rs-36i-415-hp-07-/end-cap-kit-for-the-stock-rear-muffler.aspx>