Exhaust systems & Flanges

Modern technology, for your classic 911.  Using wave cancellation to attenuate unwanted sound frequencies, while enhancing scavenging via pulse... more info

Modern technology, for your classic 911.  Using wave cancellation to attenuate unwanted sound frequencies, while enhancing scavenging via pulse... more info

Modern technology, for your classic 911.  Using wave cancellation to attenuate unwanted sound frequencies, while enhancing scavenging via pulse... more info

Modern technology, for your classic 911.  Using wave cancellation to attenuate unwanted sound frequencies, while enhancing scavenging via pulse... more info

This is a ceramic barrier coating option for the Bisimoto pulse chamber. Available in high luster silver, or optional gunmetal gray. Improves... more info

Love the Bisimoto pulse chamber, but desire it a bit quieter? This attenuation device is easy to install, and remove, and offers over a 18 dB... more info

Round tube to rectangular T3 hole problem? Solved. This is a 0.5" thick, T3 stanless steel flange ideal to mate a round 2.17" (55mm) hole to a T3... more info

A rare, and difficult part: now avaible from Bisimoto. This 4 bolt exhaust flange matches up the the KKK turbine outlet, and the Porsche-specific... more info