Fabspeed Porsche 911 SC 3.0 CUP Carbon Fiber Airbox Cover (1974-1983) Intakes If you wish to retain

If you wish to retain the factory PSE functionality

Saves 8 lbs 3

These cat-bypass pipes will make your 360 significantly louder

Less back pressure and improved throttle response versus the stock ancient 1970's catalytic converter technology

Increases horsepower by 8 whp improving throttle response

Fabspeed Porsche 911 SC 3.0 CUP Carbon Fiber Airbox Cover (1974-1983) Intakes If you wish to retainHigh performance 911SC 3. 0liter CUP style air box coverlid works with factory 911 SC paper filter, K & N airfilter or a BMC filter to increase cold air flow and significantly improve power and FLAT 6 3. 0 liter sportscar sound Real Carbon Fiber "covered bridge style airbox COVERLID". Simply remove factory 911SC restrictive cover and replace in about 5 minutes with the FABSPEED CUP iarbox coverlid. 100% guaranteed to immediately add horsepower and