An increase in NVH usually at idle should be expected when fitting an engine/transmission mount insert because you are effectively removing the original voiding and stiffening the mount between the engine/transmission and chassis

Audi TTS Quattro 08+ Ultra-R 4-Point Rear Lower Brace 1435

BMW X3 F25 11+ (AWD) BC-Racing Coilover Kit V1-VN

Toyota Celica ST182/183/185 89+ Ultra-R Front H-Brace

Kia Soul 08-14 UltraRacing 3-Point Rear Upper Strut Bar

SsangYong Rexton / Action Sport Ultra-R Rear Sway Bar 25mm EXH001/7 An increase in NVH usuallySsangYong Rexton Action Sport Ultra R Rear Sway Bar 25mm Auto: SSANGYONG Modello: REXTON II Anno: 2006 2012 Motore: 1ST GEN 1ST FACELIFT (Y250) 2. 7D 4WD 5 LINK