Dynamic Pro Air Struts - Porsche 911 Carrera 4 / Carrera 4S 2004-2013 (997) fits_2016-2020`Hyundai`Elantra Signature X-Pipe: Enhances harmonics and

Signature X-Pipe: Enhances harmonics and smooths the V8 tone into a cleaner

pronounced pops

with zero drone when paired with the OEM downpipe

Double X-Pipe Configuration: Harmonizes exhaust pulses for a sharper

the damper will be provided with an inverted monotube design which is utilized to reduce the effect upon the damping oil and shock piston resulting from high temperature from the brake system

Dynamic Pro Air Struts - Porsche 911 Carrera 4 / Carrera 4S 2004-2013 (997) fits_2016-2020`Hyundai`Elantra Signature X-Pipe: Enhances harmonics andYellow Speed Racing Dynamic Pro Air Struts FRONT REAR UPPER MOUNT Pillowball w Camber Plates Aluminum w Hardened Rubber Bushings Recommended Pressure Minimum: 5psi Maximum: 100psi Application Notes: Fits All Wheel Drive Carrera 4 Carrera 4S models only Fits coupe & convertible models Installation will disable the OEM PASM System, may require an EDC Cancellation kit to prevent dashboard warning light Please select desired air line fitting size Our