Shop by Vehicle/ S58 Catless Downpipes (Pair) — M3 G80 · M4 G82/83 · M2 G87
S58 Catless Downpipes (Pair) — M3 G80 · M4 G82/83 · M2 G87
Octane Exhaust Systems

S58 Catless Downpipes (Pair) — M3 G80 · M4 G82/83 · M2 G87

In stock — ready to ship
$1,399AUD or 4 × $349.75 with Afterpay

A pair of catless (de-cat) downpipes for the BMW S58 3.0L twin-turbo, covering both the front and rear turbos. They replace the restrictive factory downpipes and catalytic converters to free up exhaust flow, sharpen turbo spool and response, and unlock the real S58 sound, especially paired with a tune.   WHAT'S INCLUDED 2 x catless downpipes (front + rear turbo)...

1
✓ T304 stainless · built for fabrication
✓ Fast dispatch Australia-wide
The detail

Specs & detail

A pair of catless (de-cat) downpipes for the BMW S58 3.0L twin-turbo, covering both the front and rear turbos. They replace the restrictive factory downpipes and catalytic converters to free up exhaust flow, sharpen turbo spool and response, and unlock the real S58 sound, especially paired with a tune.

 

WHAT'S INCLUDED

2 x catless downpipes (front + rear turbo) · 304 stainless steel · dimpled heat shield wrap · braided flex sections · O2 sensor bungs.

 

FITS

  • BMW G80 M3 Sedan & M3 Competition (RWD & xDrive)
  • BMW G82 M4 Coupe & G83 M4 Convertible (incl. Competition, RWD & xDrive)
  • BMW G87 M2 (2023+)

DOES NOT FIT: OPF (petrol particulate filter) equipped models · F97 X3 M / F98 X4 M.

 

SPECS

Engine: BMW S58 3.0T twin-turbo. Configuration: catless (de-cat), sold as a pair. Material: 304 stainless steel. Heat shield, flex sections, O2 bungs. Requires a custom tune.

 

FITMENT (PERTH)

Sold standalone and unfitted for $1,399. Local to Perth? We'll supply and fit them in-house for $2,029 supplied & fitted. Just ask when you order. Pair them with a tune or our S58 Z-Pipe Mid-Section for the full package.

 

Please note: catless (de-cat) downpipes remove emissions equipment and are intended for off-road / competition use. They require a tune to avoid an engine light and are not road legal in WA.

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