H&R Springs - Sport Springs - 1in Front Lowering; 1in Rear LoweringEvery spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in unrivaled tensile strength and resiliency. H&R Sport Springs offer the handling characteristics and aggressive appearance that youve been looking for, without the harsh ride characteristics of less advanced spring

Fits all 2015+ Porsche 958

Greater power gains are achieved with a larger high performance intercooler

Given the removal of the rear-resonators

Through the special pleating technique

Simple installation

OEM Upgraded Regulator Valve ("R" Version) - 06F129101R

02 lbs/inch 0

Bosch is an OEM supplier to VW/Audi

Increase horsepower and torque by 10 whp and 8 ft-lbs

all necessary hardware

430i xDrive 2017-2020

The calibrators drive the hardware demands to ensure that the dimensions and catalytic converter requirements are calibrated within the spectrum of the ecu's capabilities