HJS ECE Downpipe & Cat Euro 6 for Mx40i Models (300 cell) - 90812020

The HJS tuning ECE Downpipes are specifically designed to be fully road legal within Europe (R103 compliant) while still providing the benefits of the High Flow Sports Cat. HJS ECE Cats do not require engine ECU software upgrades and will not trigger a check engine light, ranging between 200 to 300 cells and designed to fit with the OE cat back system or Milltek Sport cat back systems.

Vehicle fitment (Milltek Sport)

• BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI, Non-OPF) (2015-2018)
• BMW 2 Series M240i Coupe (F22 LCI, Non-OPF & None xDrive) (2015-2018)
• BMW 3 Series F30 & F31 M340i Saloon & Touring (LCI models, xDrive & non xDrive Models) (2017-2019)
• BMW 3 Series F31 M340i Touring (2018-2019)
• BMW 4 Series F32 & F33 M440i Coupe & Grand Coupe (xDrive & non xDrive Models) (2017-2019)

TÜV / ABE available upon request

We currently ship within Europe only.

If a part is not available, we will contact you with an estimated wait time.

If you wish to return a product after receiving it, we offer a 14-day returns policy. Custom-made products are not eligible for return, and return shipping is at the customer's expense. Full delivery and returns terms are on the “Delivery Information” page — the link is at the bottom of the page.

Products come with a warranty, detailed in a certificate included in the box.

To make a valid claim, you must prove the damage was not caused by you and that the warranty certificate is valid.

Full terms are on the “Terms & Conditions” page — the link is at the bottom of the page.