IPD 981 Cayman GT4 3.8L Competition 82mm Plenum ('13-'16) (81482-3.8) 1404 The diffuser was designed to

The diffuser was designed to show off the appearance with the exhaust in mind creating a tasteful rear end complexion

These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all GEN 5 Camaro 2010-15 LS3 and L99 applications

Available in either RED or red

it maintains a moderate hold feeling and an appropriate driving position

Uses the car's factory sensors

IPD 981 Cayman GT4 3.8L Competition 82mm Plenum ('13-'16) (81482-3.8) 1404 The diffuser was designed toRequires use of GT3 82mm Throttle Body (Sold Separately) After a very extensive R&D program we launched the 981 IPD 82mm Competition Plenums. We only offer "Competition" versions of the 981 Plenums which upgrades the factory 74mm throttle body with the larger 997 GT3 82mm throttle body. This combination has proven to be considerably more popular and deliver even more performance. This Competition version will work with both 3. 4L "S" and 2. 9L "Non S"