CTS Turbo catted downpipe for BMW B58 1/2/3/4/5 Series, X3/X4/X5

The CTS Turbo high-flow catalytic converter for BMW B58 is designed for the best possible exhaust gas flow and greater engine potential. It is manufactured using the latest CAD technology and replaces the factory downpipe.

The downpipe is made from T304 stainless steel, TIG-welded by hand with the interior protected by inert gas, ensuring reliable long-term operation.

Product details

• 4.5″ diameter downpipe that tapers to 3.15″ or 80 mm for direct connection to the factory or sports exhaust system
• High-flow 200-cell catalytic converter
• Precisely designed and tested on an actual vehicle in real-world conditions
• Manufactured from T304 stainless steel, TIG-welded with the interior protected
• Effective performance upgrade without compromise
• Distinctly sporty exhaust sound that remains subdued during relaxed driving
• No unwanted droning when used with the factory exhaust system

When installing, we recommend replacing the downpipe gasket. The BMW factory gasket with part number 18328612538 is required and is not included.

Stage 2 software is required to prevent the engine warning light from appearing. This product is suitable only for vehicles without a GPF/OPF particulate filter.

Weight: 9.07 kg

Suitable for: BMW 1 II (F20/F21), BMW 2 I (F22/F23/F45/F46/F87), BMW 3 VI (F30/F31/F34/F80) / VII (G20/G21/G80/G81), BMW 4 I (F32/F33/F36/F82/F83), BMW 5 VII (G30/G31/F90), BMW X3 III (G01), BMW X4 II (G02), BMW X5 IV (G05/F95).

Approval

This part has no TÜV certification (ABE, TTG or Teilegutachten).

Compatible vehicles (manufacturer data)

Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.