A be-cut and vacuum exhaust cutout, often referred to as a "cutout exhaust valve" or "cutout exhaust system," is an aftermarket automotive modification that allows drivers to control the flow of exhaust gases from the engine. This modification can enhance the vehicle's performance, sound, and overall driving experience.
Nice kit, with out the premium price. A must for power strokes. Comes from over seas. Took about 10 days to receive, with good Communication along the way. Going to consider other offerings from SPELAB.
Good material, good prices,
Only the flanges need to adapt, perfect fit just need modifications in the connection to the pipes, different angle 📐 flange need more than 90 degrees to fit the pipes , other than that is perfect fit in the engine M54, my chassis is E46 thanks for the product