RCM 2.5″ De-Cat Front Exhaust Pipe UK / Euro Spec
£191.99
RCM 2.5″ de-cat front exhaust pipe for UK/Euro spec Impreza WRX and WRX STI (2001-2005). Removes the secondary catalytic converter restriction and includes a threaded boss for the secondary lambda sensor.
SKU: RCM330
EKS Fitment Advice
EKS currently identifies this product as Shared / Application Fitment
Compatibility of any product, greatly depends on model + year + trim + mods. Most Subaru’s are in different states of tune, so please contact Rich, from EKS to get clarity before purchasing.
Potential Applications
Subaru Impreza 2001-2002 (GD/GG Bugeye), Subaru Impreza 2003-2005 (GD/GG Blobeye)
Full List of EKS Fitment Evidence Types
For context, here are all categories of fitment according to EKS.
- Direct Fitment: means the product is currently listed as fitting the model/generation shown.
- Shared / Application Fitment: means the product may suit shared Subaru platforms, engines, turbos, drivetrains, brakes, cooling/intake setups or modified applications.
- Universal / Service Item: means the product is broadly useful for Subaru servicing, maintenance, workshop use or general ownership.
- Needs Confirmation: means the product appears relevant, but final fitment may depend on extra details.
Product Description
An RCM stainless steel de-cat front exhaust pipe, hand crafted for UK/Euro spec Impreza WRX and WRX STI models from 2001 to 2005.
It removes the secondary catalytic converter, reducing gas flow restriction with a slight increase in exhaust noise. A threaded boss is included for the secondary lambda sensor.
It fits either the standard downpipe or RCM329, together with RCM347 or the standard rear centre section.



















