High flow, stainless downpipe kit to be used with factory exhaust
Fits automatic transmission models only - To be used with factory exhaust
High flow, stainless downpipe kit to be used with factory exhaust
Fits automatic transmission models only - To be used with factory exhaust
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
Provides increased horsepower and torque throughout the powerband, reduced turbocharger lag, and an enhanced exhaust note!
2X Entries Into Our F80 M3 Sweepstakes
For those who are not interested in a full exhaust system but want more performance and an exotic sound this is for you!
Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs
This product was last offered at the strikethrough price on
09-29-2026
Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems (when available).
Stage 2 ECU Remap Required
This product was last offered at the strikethrough price on
08-17-2026
Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems.
This product was last offered at the strikethrough price on
08-17-2026
Used to secure the front of the downpipe
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Performance downpipe with metallic high-flow catalytic converter
Performance downpipe with metallic high-flow catalytic converter
Gains of 60HP and 95TQ can be seen with appropriate Stage 2 Software over Stage 1.
Install new hardware with your new parts. M10x1.5
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used to secure the catalyst/downpipe to the turbo
Increased Power and Torque!
High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust
Fits manual transmission models only - To be used with 2.5" aftermarket exhaust
Reduce turbo lag and enhance the exhaust note
These downpipes will increase Hp across the powerband and give you the throaty exhaust note you're looking for!