This 2.5" diameter True Dual BORLA® Cat-Back™ system was designed specifically for the Q50. It features an internal H-Pipe inside the front muffler and BORLA®'s patented Polyphonic Harmonizer...

This 2.5" diameter True Dual BORLA® Cat-Back™ system was designed specifically for the Q50. It features a Merge X-Pipe and Borla's patented Polyphonic Harmonizer technology for increased performance...

This 2.5" diameter True Dual BORLA® Cat-Back™ system was designed specifically for the Q50. It features a Merge X-Pipe and Borla's patented Polyphonic Harmonizer technology for increased performance...

This 2.5" diameter True Dual Borla(r) Cat-Back(tm) system as designed specifically for the Q50. It features a merge X-Pipe and Borla(r)'s patented Polyphonic Harmonizer technology for increased...

The Borla(r) R&D Team has designed a great performance Cat-Back(tm) system for the Nissan Titan XD. The 2.25" diameter Borla(r) system is True Dual. The muffler contains an internal H-Pipe for...

The Borla(r) R&D Team has designed a great performance Cat-Back(tm) system for the Nissan Titan XD. The 2.25" diameter Borla(r) system is True Dual. The muffler contains an internal H-Pipe for...

3" diameter system. This system features the aggressive ATAK® sound and exits through 4" bright chrome on T-304 stainless steel tips. Systems with black chrome on T-304 stainless steel tips and...

Features a durable high-temperature ceramic black finish on T-304 stainless steel tips. Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology...

This 2.5" diameter into dual 2" BORLA® Axle-Back system was developed specifically for the Mazda CX-5. Our Axle-Back system replaces the factory rear muffler and is a direct bolt-on product for ease...

This 2.5" diameter into dual 2" BORLA® Axle-Back system was developed specifically for the Mazda CX-5. Our Axle-Back system replaces the factory rear muffler and is a direct bolt-on product for ease...

This dual 2.75" diameter into single 3.5" Cat-Back™ system was developed for use on F-250 and F-350 Super Duty trucks with performance, sound, style, and durability in mind. The system features...

This dual 2.75" diameter into single 3.5" Cat-Back™ system was developed for use on F-250 and F-350 Super Duty trucks with performance, sound, style and durability in mind. The system features...