By replacing the restrictive secondary catalytic converters located in the mid-pipe section directly after the downpipes, back pressure is reduced, which effectively improves the engine’s breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note.

Measuring 3.5” in diameter, this direct replacement mid-pipe offers improved flow over standard and comes complete with a replacement exhaust brace and fitting kit, which will mate to original catalytic converters, aftermarket sports cats or aftermarket de-cats.

Will fit the following models:

Please note:

Features:

AIRTEC Part No: ATEXHBMW7

Shipping- 

We ship WORLDWIDE! We offer a FREE postage service for UK mainland customers.

Scottish Highlands and Overseas customers should contact us for a shipping quote. 
OVERSEAS BUYERS ARE LIABLE FOR ANY IMPORT TAX OR CHARGES

We can provide you with Text message or email updates of your parcels progress, all items are tracked and numbers can be provided to you, giving peace of mind. 
We use only the most efficient couriers, ensuring you have the smoothest shopping experience possible!

Overseas mail order- We ship worldwide! Typical shipping time is 3-7 working days. 

We do urge you to contact our helpful sales team for an accurate shipping quote prior to buying.

Returns- 

We offer a 30 day warranty on all parts supplied by ND-Tuning. We insist that any fitment of parts be undertaken by a professional! Failure to do so will invalidate any warranty offered. We have a dedicated customer service team that will happily assist you in the rare event of a fault with any supplied part. We will refund any faulty item in full, but the buyer must cover the return shipping and we with refund in full plus the return shipping once we have inspected the item. 

ND-Tuning accept no liability for any incorrectly fitted parts.