BMW F07 GT 550i (N63B44TU Engine 443/450 Hp) 2012 -> 2017

Supersprint offers a stainless, full exhaust system, including a Turbo downpipe kit, for the F07  2009->2012 BMW GT 550i , and for the  550i x-Drive versions as well.

Built with 70mm oversize diameter tubing, this Supersprint exhaust is the best performance addition for the 4.4l Twin Turbo N63  V8 engine of the 550i, making substantial Hp and torque gains, and a great sound at the same time.

When matched with a ECU reprogramming, the flowing capacity of this Supersprint exhaust is 700 + Hp.

The R&L Turbo Downpipes are made with a set of integrated, built-in HJS Motorsport, 100 cpsi  130mm catalytics (made in Germany), the largest-volume, best flowing performance cats in business.

With this proprietary exhaust design, Supersprint eliminates the power-robbing bottlenecks in the exhaust system, made by overly restrictive, oem cats.

By freeing up this exhaust tract,  the efficiency of the twin turbochargers improves by a massive amount, and the high temperature build-up in the engine exhaust port area is reduced considerably, when under heavy use.

This in turn helps the turbo boost pressure to remain more consistent, while the emissions are under control at the same time.

The Supersprint Downpipes also accept the stock exhaust, bolting up directly to the  BMW Factory cat-back system, and they are available in a Racing, cat-deleting version, as well.
For the Race downpipes we offer a specific front exhaust section, with the R&L HJS cats placed further downstream, away from the engine.

The installation is straightforward, no modification is required.

Our modular-design allows for fine-tuning of the sound, thanks to the multiple options available.

Installation is easy, fit and finish are top-notch, durability is legendary, as usual.

Systems for replacement of kat for OBD II car models (with lambda sensors before and after the kat.)

These systems can only be used for racing purpose exclusively, in conjunction with the modifications of the engine management system. If used with a stock “ECU”, malfunctions may occur. All modifications must be carried out by qualified personnel only, under the liability of the car owner and at his expense.

Supersprint guarantee is limited to the quality, workmanship and correctly fitting to the intended car model for all race products.