3" downpipe with HJS-approved high flow catalytic converter
3" downpipe with HJS-approved high flow catalytic converter
3" downpipe with 200-cell high flow catalytic converter for use with OEM cat-back exhaust.
For use with factory cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
Used for proper sealing of downpipe connection
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-24-2026
Featuring Milltek Sport Hi-Flow sports cat designed for Milltek's 3" Race cat-back systems.
Stainless steel 3" downpipe with high flow catalytic converter designed to work with 3" cat-back exhaust systems.
Stainless steel 3" downpipe with HJS sport catalytic converter designed to work with 2.75" cat-back exhaust systems.
Includes necessary one-time-use bolts and V-band to replace your downpipe on 4Motion vehicles
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
07-08-2026
Stainless steel 80mm downpipe with high flow catalytic converter designed to work with factory cat-back exhaust systems.
For use with factory cat-back exhaust only
Stainless steel 80mm downpipe with high flow catalytic converter designed to work with 80mm cat-back exhaust systems.
For use with Milltek cat-back exhaust only
Secures turbocharger to catalytic converter. M10x35
Stainless steel 3" downpipe with high flow catalytic converter designed to work with 3" cat-back exhaust systems.
For use with Milltek cat-back exhaust only
An upgraded downpipe is a must-have item for any owner looking to make serious power from their vehicle.
Stainless steel 3" downpipe with high flow catalytic converter designed to work with 3" cat-back exhaust systems.
For use with Milltek cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
Stainless steel 3" downpipe with high flow catalytic converter designed to work with factory cat-back exhaust systems.
For use with factory cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
Offering increased horsepower and torque, reduced turbocharger lag, and an enhanced exhaust note, this is the ultimate downpipe solution.
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-17-2026
Seals the turbocharger to the catalytic converter
2X Entries Into Our F80 M3 Sweepstakes
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