●EX CHAMBER ●EX CHAMBER PRO ●O2 SENSOR ADAPTER ●EXHAUST HEAT GUARD looking for dealers 　 EX CHAMBER PRO 　 　 Maker Model Model Type Engine Type Item Code NISSAN SILVIA PS13 SR20DET MFP-EC02 S14 SR20DET MFP-EC02 S15 SR20DET MFP-EC02 180SX RPS13 SR20DET MFP-EC02 SKYLINE HCR32 RB20DET MFP-EC04 ECR33 RB25DET MFP-EC04 ER34 RB25DET MFP-EC06 Attachment Pipe diameter IN φ70 Main φ150×63 oval Out φ80.