Supersprint BMW E89 Z4 Stainless Steel Downpipe Kit(Replaces Catalytic Converter) 1/2" SOCKETS this bonnet combines impressive structural

this bonnet combines impressive structural strength with reduced weight

and other cooling components for premier Subaru tuning companies

Blistering Performance

functionality

Why Choose ARP

Supersprint BMW E89 Z4 Stainless Steel Downpipe Kit(Replaces Catalytic Converter) 1/2" SOCKETS this bonnet combines impressive structuralThe Supersprint Downpipe Kit(Replaces Catalytic Converter) is a precision, direct fit stainless steel upgrade engineered for the BMW E89 Z4. It replaces the restrictive factory component to free up exhaust flow, sharpen throttle response and give your BMW a deeper, more purposeful note. Supersprint has been handcrafting performance exhausts in Mantova, Italy since 1955. Every system is designed and validated on the dyno not by assumption using thin