BNR S4 Version 5 Turbo upgrade 2007-2013 Mazdaspeed 3, Mazdaspeed 6 and CX7, MPS 3, MPS 6

The BNR S4 is the most popular turbocharger in the MZR market! The S4 will max out the original engine and has enough on the table to make mid 500 WHP with Auxiliary fueling in internal wastegated orientation. Great response and amazing sounds come from this unit! Makes a great entry level turbocharger for built engines.

G30-660 CHRA Rated at 66 lb/min

VSR Balanced

BNR Upgraded compressor housing with Antisurge port

Heavy Duty 15 psi wastegate actuator

Heavy Duty wastegate swing valve construction

30 mm wastegate port

.72 a/r turbine housing

Install kit includes:

9 M10 1.5 staintless studs

9 M10 1.5 stainless nuts

9 M10 stainless washers

2 M12 copper sealing washers

4 M14 copper sealing washers

2 Oil outlet gaskets

Stainless MLS turbine inlet gasket

Stainless MLS turbine outlet gasket

Firewall side extended stainless water line.

*Divorced down pipes sometimes do not work with our turbocharger upgrades! If they are used, the wastegate valves sometimes don't function properly causing extreme high boost conditions!*.

*Built engines need a custom oil supply line for turbocharger protection!

VIP Motorsport is an official stockist of BNR Turbos in the UK! Our stock is directly linked with BNR Supercars in the USA. Contact us for a lead time.