Invidia R400 70mm Engine Back Exhaust w/PSR Unequal Headers - Straight Cut Black Stainless Tips - Subaru BRZ & Toyota 86 12-21, 22+ (6MT) 20-1989 When the PCV valve opens

When the PCV valve opens under vacuum

✓ Round internal hex design

Elbow Size: 24AN (-24)

Invidia down-pipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque

Porsche 911 Turbo S 997

Invidia R400 70mm Engine Back Exhaust w/PSR Unequal Headers - Straight Cut Black Stainless Tips - Subaru BRZ & Toyota 86 12-21, 22+ (6MT) 20-1989 When the PCV valve opensNote: Suits Manual Transmission Only PSR Headers and Over Pipe Designed for optimum exhaust efficiency whilst adding that unique boxer rumble, the PSR Unequal length headers provide a high quality and high performance solution for the Toyota 86 and Subaru BRZ FA20 models. Utilising the latest in exhaust manufacturing technology ensures a direct fitment, optimum exhaust flow and durability. Included is a 2. 5" Over Pipe to further improve the