Dinan Free Flow Axle-Back Exhaust | F07 · F10 550i | 4.4L Turbo V8 [N63]

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Dinan Free Flow Axle-Back Exhaust | F07 · F10 550i | 4.4L Turbo V8 [N63]Dinan's Free Flow Axle Back Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. A vacuum controlled

If you order the raw aluminum brackets

No complex install

Doesn't easily crumble like poly inserts

Select "Single" for a single pin

The Precision Raceworks 1

Billet alloy construction

and is then precision CNC machined to exacting tolerances

Direct replacement of factory engine cover

No more up-shift/down-shift at inopportune times while in M mode

TTE6XX is our very latest hybrid performance upgrade turbocharger based on the Original turbocharger for the BMW B58 inline-six-cylinder 3

Our proprietary washable and reusable cotton gauze high flow filter flows 22% more than stock at various depressions

Handcrafted from CNC mandrel-bent 3" and 2