The Mine's Front Pipe is designed to have this best inner diameter considering
the excessive boost pressures and it is made to maximize the engine power.
Car Make
Stock
Model
Pipe Size
Material
NISSAN
FAIRLADY Z
Z33*
φ60×2 - φ80
Stainless
Z34
φ60×2 - φ80
Stainless
* For Z33, it is applicable both to VQ35DE and to VQ35HR.