No-MAS or Blow-Thru Intake Pipe Set Powder coated 2 1/4in steel intake pipe sets enlarges air tract 65% over stock to feed those bigger turbos. Intakes expand to 2 1/2in at the bend and to 2 3/4in at the filters. Includes couplers and clamps to turbos. Requires 2 air filters. Part Number: CIP-3SD & CIP-3SE