Secure the exhaust wrap with stainless steel ties
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger.
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
High performance 200 Cell catalytic
Featuring a Milltek Sport Hi-Flow Sport Cat with 2.75" Large Bore Pipe
This product was last offered at the strikethrough price on
09-18-2026
Proprietary tune box designed specifically for the Countryman JCW 2020+ to +30 Horsepower / 35 ft-lb of Torque
This product was last offered at the strikethrough price on
08-27-2026
Get up to +37 hp and +30 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
High quality 200 cell high flow catalytic from an OEM supplier, 2.75" downpipe. Adapters for 70mm also be needed to fit US stock midpipe. ES4265775 part number.
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1)
Black nitride coated, inconel, solid (no sodium), single groove exhaust valve. 100.1mm 28.5 (std)