A small 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

AT-54L5 - Tubo in alluminio dritto 50cm diametro esterno ø 54mm

5T OBD2 2WD WAGON

Spec: VW G 052529/G 052182 - BMW - FORD WSSM2C936-A

Cavalier 95-05 JF37 BC-Racing Coilover Kit RM-MA

Hyundai Santa Fe 07-12 CM 2.7 Ultra-R Ultra-R Room Bar Adj. PFR25-325/1 A small increase in NVHHyundai Santa Fe 07 12 CM 2. 7 Ultra R Ultra R Room Bar Adj. Auto: HYUNDAI Modello: SANTA FE Anno: 2007 2013 Motore: 2ND GEN (CM) 2. 2D E VGT 4WD FACELIFT