Godspeed Tractions-S Lower Lowering Drop Spring 1.75"F/R for Ford Mustang 87-04 EJ8 The cat back system is

The cat back system is made stainless steel

5" Pipe Size

Note: Will not fit AWD or Convertible model

Once you have the spindles with 40mm of tubing protruding from them

Godspeed Tractions-S Lower Lowering Drop Spring 1.75"F/R for Ford Mustang 87-04 EJ8 The cat back system isGodspeed Project's performance lowering springs are cold wound on coil winding machine with SAE 9254 spring wire material, one of the ideal materials available. Manufacturing Process involves steel material going through heat treatments before winding into coils, these are necessary steps in order to deliver an outstanding ultra high tensile strength and provide equal spring rates that are extremely durable in order to resist premature sagging. The