Rear Chassis Exhaust Mount Bush EXH020 BMW 3 series E30 and of all aluminium construction

and of all aluminium construction

but not overdone as to impede airflow

Whilst the stock valve will operate as designed

Gains of 10bhp and 10lb/ft

Rear Chassis Exhaust Mount Bush EXH020 BMW 3 series E30 and of all aluminium constructionRear Chassis Exhaust Mount Bush EXH020 EXH020 is designed to replace the usually broken internal rubber bush and fits into the original bracket. This new part can be easily fitted by simply cutting the remnants of the rubber webbing from the bracket and pressing our bush into position. Vehicles with twin exhausts, eg 172 182, use 2 bushes. OEM Part Number: 7700424339 Diagram Position: 20 Number of Bushes Supplied: 1