Karbonius Carbon Fibre Airbox Race - BMW E46 M3 / Z4M (S54) Finish:Gloss Performance Gain (RS3 with Stock

Performance Gain (RS3 with Stock Turbo): 15-20hp

M and V10 badges not included

4Inch x 13

75" pipework

Results show that with just the inlets added the acceleration times from 60-130mph reduced by 0

Karbonius Carbon Fibre Airbox Race - BMW E46 M3 / Z4M (S54) Finish:Gloss Performance Gain (RS3 with StockIntake system made 100% in prepreg carbon fibre in autoclave in our facilities in Spain under ISO 9001 Management Quality System rules by qualified staff , which lends the best finished you can find on the market and a major thermal and structural stability. This is possibly one of the best airboxes available in the market. With a built in snorkel, it facilitates the air ducting from the front of the car, getting a lower temperature in the intake