EC-Type Approved Exhaust System by Borla. ECE approved systems are those that comply with Economic Commission for Europe (according to ECE-R59) rules for motor vehicles, vehicle systems and components.
When you want the best performing, best sounding, and highest quality exhaust system, you want Borla. Borla straight-through mufflers and mandrel-bent exhaust tubes are custom tuned to deliver the most horsepower possible, with a subtle, slightly louder than stock sound at cruise. And the quality, aircraft-grade, austenitic stainless steel construction allows Borla to back every Cat-Back system with an unequaled million-mile warranty.
Features:
The patented straight through muffler design reduces restriction and increases exhaust gas velocity, making sure each cylinder is completely evacuated to make room for the incoming charge. This design absorbs the sound waves without disturbing the power waves, in contrast to the chambered mufflers used by most aftermarket companies. Chambered mufflers use partitions or baffles to subdue sound waves, which also creates backpressure and reduces power.
The shape and diameter of the exhaust tubing is optimized for volume and exhaust gas velocity. Borla mandrel bends the stainless steel tubing for smooth bends and to make sure the pipe maintains its size and shape throughout the entire length. Tubes that aren’t mandrel bent can lose a percentage of their diameter in sharp bends.
Then you get to be the tuner. A block-off plate is positioned at the junction of the passenger side exhaust pipe and the entrance to the muffler. You can change the block-off plate to determine how much exhaust flow goes through the muffler and how much bypasses the muffler and goes straight out the passenger side pipe. With the solid plate all exhaust is directed through the muffler and out the driver exhaust pipe, for the quietest operation. Or use the plate with the largest hole so most of the exhaust exits from the passenger exhaust pipe, for the most exhaust flow and a more raucous exhaust note.
