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Our unique design adds low end torque and great horsepower gain throughout the full power band.
Our M156 headers are constructed of high quality T-304 stainless steel.
These headers fit the 63 AMG equipped with the M156 6.3 liter, naturally aspirated engine.
Dyno Tests proved 39 WHP and 34 TQ as a stand alone modification.
Fits:
Weld in cats are REQUIRED with this product.
All header kits include midsection X piping..
We are moving! Orders will be processed as quickly as possible. However, delays of up to 1 week should be expected. Dismiss