The proud home of the hand crafted stainless steel GROWLER mufflers (formerly Campbell Sidewinders).
We are based in the North Bay area of California, just a few miles from the World famous Sonoma raceway in Northern California and yes we do ship product Worldwide.
GROWLER muffler systems are hand crafted specifically for your motorcycle, made from stainless steel throughout. These hand made, highly polished stainless steel works of art for your motorcycle improve both the performance and the looks of your ride. Please check out our site.