R44 Performance
R44 S58 G8X M3 / M4 Catless Downpipe Non Cel
R44 S58 G8X M3 / M4 Catless Downpipe Non Cel
SKU:R44-G80G82-S58-DP
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We are proud to introduce our new R44 S58 Catless Downpipe for 2021 G80/G82 M3 & M4. Reduce backpressure by eliminating the restrictive catalytic converter in the factory downpipe which results in a faster spool, an increase in power and a more aggressive exhaust note. Handcrafted from stainless steel and CNC precision-machined flanges constructed from billet 304-grade stainless steel.
NON-CEL Light technology installed inside each downpipe prevents the CEL light from being thrown by the DME. Inside each downpipe is an O2 spacer that filters the air before it is tested by the Lamba sensor meaning the readings are clear as if a catalytic converter is fitted.
DISCLAIMER
Recent BMW updates have increased the chases that a CEL light will be shown even when installing the R44 NON CEL downpipes. BMW updates from March 2022 are causing this issue.
PRODUCT SPECIFICATION
- Made from hand-crafted, tig welded 304-grade stainless steel.
- Smooth radius bends to decrease turbulence and increase flow.
- Anti CEL light Technology.
