JDY Performance BMW G8X S58 Downpipe - M2/M3/M4

JDY Performance BMW G8X S58 Downpipe is a direct-fit twin-downpipe upgrade for G87 M2 and G80/G81/G82/G83 M3/M4 applications, developed to improve exhaust flow and turbo response while retaining OEM-style integration.

Construction

• 304 stainless-steel cast and TIG-welded assemblies
• High-temperature ceramic thermal coating
• Laser-scanned and CAD-modelled fitment
• Full argon-shielded TIG welds with smooth internal transitions
• Direct connection to compatible OEM or aftermarket mid-pipe/cat-back systems
• Left- and right-hand-drive compatibility

Configuration

• Catless 4.0-inch (101.6 mm) main-section option for competition/off-road use where permitted
• Sport-cat 5.0-inch (130 mm) housing with 200-cell metallic catalyst
• 2.75-inch (70 mm) outlet diameter

Fitment

BMW G87 M2, G80/G81 M3 and G82/G83 M4 with S58 engine. Confirm vehicle, catalyst selection, local emissions requirements and supporting calibration before ordering.

Professional installation is recommended. Exhaust-noise and emissions compliance remain the vehicle owner's responsibility.

Supplier

JDY Performance

Product System

• Exhaust
• Turbo & Forced Induction

Vehicle Fitment

• BMW M2 G87 S58
• BMW M3 G80 G81 S58
• BMW M3 G80 S58
• BMW M3 Touring G81 S58
• BMW M4 Convertible G83 S58
• BMW M4 G82 G83 S58
• BMW M4 G82 S58

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Available Options

catalytic converter ?

• Yes - 200 Cell
• No

Supplier Part Numbers

S58-253-JDY-PA, S58-253-04E-PA

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.