aFe POWER Twisted Steel 1-3/4 IN 304 Stainless Headers w/ Raw Finish (48-32031) 3103 Valve stacks and valving kits

Valve stacks and valving kits available separately

Available as sophisticated Touring Edition or the raucous Track Edition

We have carried out intensive R&D to develop an intake which not only improves on the stock M3/M4 but also is future proof in its capacity to cater for high powered builds well in excess of 1000hp

Remove catalytic converters from the car

aFe POWER Twisted Steel 1-3/4 IN 304 Stainless Headers w/ Raw Finish (48-32031) 3103 Valve stacks and valving kitsFeatures: Designed to improve your driving experience Built using the latest technology and high quality components Made in compliance with strict industry standards Tested to ensure dependability for years to come Reasonably priced to fit your budget