LATEST PRODUCTS
Stone Exhaust BMW N55 Eddy Catalytic Downpipe
Increase horsepower and torque effortlessly with Stone's patented eddy catalytic technology that also adheres to environmental regulations.
Stone Exhaust BMW S63M Cat-Back Valvetronic Exhaust System
Stone Exhaust's OEM-integrated valves can open and close automatically without needing any modifications to stock.
Stone Exhaust Audi EA888 Cat-Back Valvetronic Exhaust System
Produce more power for your 8V S3, coupled with the world renowned Stone signature exhaust sound.
Stone Exhaust BMW N13 Cat-Back Valvetronic Exhaust System
Our award winning Valvetronic System comes with a separate remote controller that opens and closes the valves with a single click.
Stone Exhaust BMW N20 Cat-Back Valvetronic Exhaust System
Via 3D scanning and reverse engineering, Stone engineers have designed a 100% OEM fitment exhaust with precision and elegance.
Stone Exhaust BMW N55 Catless Downpipes
Stone Exhaust's unique flex design and crisscross welding employed prevents breakage caused by extreme heat.
