CTS Turbo BMW F2X/F3X/G20/G30 230i/330i/430i/530i & xDrive B46 High-Flow CAT

The CTS Turbo High-Flow Cat for the BMW B46 North American Market vehicles is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts – unleash your BMW’s potential!

Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.

Product Details:

• Precisely designed and tested on a real car in the real world
• Fitment specifically for B46 engines (US-spec vehicles)
• T304 stainless steel, TIG welded back-purged construction
• Replaces restrictive factory downpipe with high-flow 200 cell catalytic converter
• Great power upgrade with uncompromising performance
• Incredible sporty exhaust sound, subtle when cruising
• No drone with factory exhaust

The use of Bootmod3 stage 2 software is strongly recommended to avoid the CEL from coming on.

Fitment for B46 SULEV engines only, with flange connection to exhaust. ALWAYS check your vehicle before placing your order:

• 2016-2020 F20/F22 BMW 220i, 230i including xDrive (B46 2.0T engine)
• 2016-2020 F30/F31 BMW 320i, 330e, 330i including xDrive (B46 2.0T Engine)
• 2016-2020 F32/F33/F36 BMW 420i, 430i including xDrive Models (B46 2.0T Engine)
• 2016 – 2020 G30 BMW 530i, 530e including xDrive Models (B46 2.0T Engine)
• 2016-2020 G11 BMW 730i, 740e including xDrive Models (B46 2.0T Engine)
• 2019-2023 G20 BMW 320i, 330i including xDrive (B46 2.0T Engine)
• 2019+ G29 BMW Z4 30i (B46 2.0T Engine)
• 2020+ A91 Toyota Supra 2.0 (B46 2.0T Engine)

Catalytic converters damaged by “crackle tune” are not covered under warranty.

Stage 2 software is required to avoid check engine light.

Only fits cars without GPF/OPF, check the downpipe connection on your vehicle before order.

The items installed or applied to vehicles are intended strictly for off-road use only and track vehicles. These modifications may not comply with emissions, safety, or environmental regulations required for public road use under Environmental Regulatory Agency (ERA) laws. It is the sole responsibility of the vehicle owner or operator to ensure adherence to all applicable local, state, and federal regulations. Use on public roads may result in legal penalties or vehicle impoundment. Always verify compliance with local authorities before installation.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

If you're unsure whether a part will fit your vehicle, feel free to contact us here with your inquiry. Our helpful sales team will reach out to confirm if it's the right match for you.

We offer a flat-rate shipping fee across the continental United States. This excludes Alaska, Hawaii, and U.S. territories. For international orders, additional shipping costs will apply. Please contact us for a quote if you are outside the continental U.S.

Also, feel free to also contact us at ColoradoN5X@Gmail.Com for any other questions.

Not all items are covered by warranty. Items including warranty, will clearly state that there is warranty within the product description. Most of these items will be a standard 1-year warranty against manufacture defects. You, the customer, will be responsible for shipping and handling. We will fix/replace that item with a product that is in working condition if you meet the warranty criteria. Please note that you will be allowed ONLY 1 claim within the year for that product. ColoradoN5X is not responsible for any damage caused during the installation of our products.