About us
We are the Original Speedway Muffler Est. 1977, Serving Southern California for over 30 years. We are not just a Muffler shop, but high performance motorsports specialists.



2011 Ford Mustang

The 2011 Ford Mustang has been all the buzz for a while now in Mustang communities ‘Net-wide.  Today, we are helping fan the flames of aftermarket excitement by offering High performance custom made systems for the forthcoming 2011 5.0 Mustang and 2011 3.7L V6 Mustang.  These offerings include axle-back systems, full cat-back systems, 2.5″ and 3″ systems, X pipes, and the lot.

Web Only Specials

Check back at the Speedway website often, as we plan to offer Web only specials that are only available here online.

Welcome to the Original Speedway Muffler website.