We are a Custom Muffler Center at Portola Valley Garage...

We can do standard exhaust systems & high performance all the way to 3 inch tubing. Aluminized & stainless steel. Custom design & fabrication available. For standard exhaust we use "Maremont" exhaust...For High performance applications we use "Flowmaster", "Vortex", "Ractive", and "Cherry Bomb", "B&B", "Tri-Flo", "Borla", and more!

All exhaust systems come with a lifetime warranty!

Transform your car into a high performance machine with Ractive's complete line of performance and styling components.



From super flow heat sheild filters to seamless stainless steel mufflers to a superior selection of pedal sets, shift knobs, and strut bars. Ractive gives you the opportunity to stylize and enhance every aspect of your ride.

Bring the party to your car!
If you have been searching for the best in specialty lighting consider your search over. Trick out your car, with the latest in custom lighting effects. You can't help but turn heads with our Xenon replacement bulbs, glowing in-dash gauges, windshield washer LEDs, and motion-activated wheel flashers.