This is a direct replacement filter for all IE cold air intakes with a 5" velocity stack on the heat shield. This filter is used on the majority of all IE intakes.
Stop boost leaking from your diverter valve once and for all! *Limited edition red finish*
Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast For vehicles with plastic intake manifolds
Upgraded intake manifold providing over 40% more volume and equalized air flow!
Aftermarket ECU tuning and catch can required. Not Compatible with B8.5 A4/A5 with 5th Injector Aluminum Manifold
Brand:
ES#:
4465966
Mfg#:
CTS-HW-0420R
Ships in 8 Business Days
ON SALE!
SAVE 10%
$799.99
This product was last offered at the strikethrough price on 09-29-2026
Featuring Bimmerhelp's direct injection port cleaning tool, walnut shell blast media (15lbs), and a 'blast out of a bucket' media blaster attachment
10X Entries Into Our F80 M3 Sweepstakes
All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.
Lifetime Replacement
