Akrapovic Evolution Link Pipe Set (Stainless Steel) - BMW 3 Series F30 | F31 335i | F32 | F33 4 Series 435i M135i changing the header back system

changing the header back system gives little if any power gain

Individually fine-tuned during BILSTEIN road testing

Part throttle driving vastly improves with a far more effortless power delivery

The wing is completely made of carbon fiber

The software upgrade for the 3 Series E90/E91/E92/E93 320d was designed and tested at our dyno facility and on road to give optimal performance with maximum safety

Akrapovic Evolution Link Pipe Set (Stainless Steel) - BMW 3 Series F30 | F31 335i | F32 | F33 4 Series 435i M135i changing the header back systemMUST BE PURCHASED WITH AKRAPOVIC EVOLUTION LINE Made of austenitic stainless steel, these set feature a newly developed layout with two central link pipes replacing the single stock pipe.