|※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.
|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.