Find the Supersprint exhaust for your car
car brand
BMW
series
BMW 4 Series
car model
BMW G23 Cabrio 2021 ->

BMW G23 Cabrio M440i xDrive (USA - Model B58 - 374 Hp) 2021 -> (with valve)

This Supersprint valve exhaust uses the factory control unit; it is operational upon the install, with no modification required.

BMW G23 Cabrio M440i xDrive (USA - Model B58 - 374 Hp) 2021 ->

Exhaust system

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Components
Price ($)
672
4,185
Features

100% Stainless steel system

Downpipe + Metallic catalytic converter 100CPSI
$ 2,392.00
Downpipe + Metallic catalytic converter 100CPSI
Cod: 524221
Availability on demand
Threaded bung for oxygen sensor provided
Downpipe + Metallic catalytic 200CPSI
$ 2,865.00
Downpipe + Metallic catalytic 200CPSI
Cod: 524241
Alternative to 524221
Availability on demand
Threaded bung for oxygen sensor provided
Downpipe kit<br>(Replaces catalytic converter)
$ 933.00
Downpipe kit
(Replaces catalytic converter)
Cod: 524211
Alternative to 524221
Availability on demand
Threaded bung for oxygen sensor provided

100% Stainless steel "Cat.-back", right - left system, for the stock diffuser - Full kit only

Front Metallic catalytic right - left
$ 3,538.00
Front Metallic catalytic right - left
Cod: 527032
Availability on demand
Threaded bung for oxygen sensor provided
Front pipes right - left
$ 875.00
Front pipes right - left
Cod: 527012
Alternative to 527032
Availability on demand
Threaded bung for oxygen sensor provided
Centre pipes kit Right - Left
$ 672.00
Centre pipes kit Right - Left
Cod: 527013
In Stock
Compatible with the OEM catalytic converter
Rear exhaust Right OO90 - Left OO90 with valve
$ 4,185.00
Rear exhaust Right OO90 - Left OO90 with valve
Cod: 527126
Availability on demand
Compatible with the OEM catalytic converter
Rear exhaust Right - Left with valve<br>(For OEM endpipes)
$ 3,733.00
Rear exhaust Right - Left with valve
(For OEM endpipes)
Cod: 527104
Availability on demand
Compatible with the OEM catalytic converter

alias: Sports exhaust for BMW G23 Cabrio M440i USA

With ECC HomologationWith ECC Homologation
Component E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaustComponent E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaust
Compliant to the noise regulation 70/157/EEC.<br /> However the specific model or engine type may not be included within the official list of vehicles this exhaust is legally issued for.Compliant to the noise regulation 70/157/EEC.
However the specific model or engine type may not be included within the official list of vehicles this exhaust is legally issued for.
Compliant to the noise regulation 70/157/EEC.Compliant to the noise regulation 70/157/EEC.
Compatible with the OEM catalytic converterCompatible with the OEM catalytic converter
Discontinued Product. Available while stock lastsDiscontinued Product. Available while stock lasts
Threaded bung for oxygen sensor providedThreaded bung for oxygen sensor provided
With certificate of conformity for classic exhaust designWith certificate of conformity for classic exhaust design
Systems for replacement of kat for OBD II car models (with lambda sensors before and after the kat.)

These systems can only be used for racing purpose exclusively, in conjunction with the modifications of the engine management system. If used with a stock “ECU”, malfunctions may occur. All modifications must be carried out by qualified personnel only, under the liability of the car owner and at his expense.

Supersprint guarantee is limited to the quality, workmanship and correctly fitting to the intended car model for all race products.
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