|※About the types of Silent HiPower||Ｈ：TYPE-H Sporty type with perfect circle shape shell.|
|Ｓ：TYPE-S Oval shape silencer for noise reduction type.|
|※Materials||S3：SUS304 High quality stainless.|
|S4：SUH409 Stainless that are used for many stock parts.|
※The above value of the pipe diameter φ is the thickest area φ of the muffler.
※”G” in the Remarks: It means Vehicle’s grade.