Pics and video below of my all-new GTM full Stelvio exhaust system, which I can hand-build to order for select buyers. Any of the individual pipes/muffler will fit the stock items, meaning headers only, Y-pipe only or muffler only. This is a stepped header design that has proven power gains. I will try to get it on the dyno in the near future. Contact me direct email for info, or I now have them online for purchase here; https://www.guzzitech.com/store/category/exhaust/stelvio/ -- I will ONLY build them to paid order. ~7-10 days to ship.
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