ACT 1999 Porsche 911 4 Pad Rigid Race Disc 2006-volvo-xc90-v8-esi6644473 System features Boryla's Polyphonic Harmonizer

System features Boryla's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

There is no BORLA(r) logo embossment on this part

Entire assembly is coated black with a high temperature finish

High tempertaure T-304 stainless steel wool for sound control

ACT 1999 Porsche 911 4 Pad Rigid Race Disc 2006-volvo-xc90-v8-esi6644473 System features Boryla's Polyphonic Harmonizer4240008 1 is a 4 pad rigid race disc made with high quality, ceramic friction materials. The disc engagement is harsher, but shifting is faster. The race disc features top grade rivets to securely fasten the part together. The rivet design and materials are carefully selected for maximum strength. The 4 pad rigid race disc is well suited for the smaller disc sizes in smaller engines. "Excellence in Performance", backed by the best one year warranty in