The exhaust kits are complemented by a cold - air intake system that reduces restriction and allows the engine to draw a cooler air charge for optimal performance. (gm.com)
Low - pressure exhaust gas recirculation combined with water - air charge cooling for more efficient combustion and reduced emissions. (greencarcongress.com)
Porsche Boxster 2000, Intermotor ™ Air Charge Temperature Sensor by Standard ®. (carid.com)