the centre pair of the m3 it's were removed and the remaining 4 fitted to the m44. the trumpets are purposely long to gain some torque. they were made from stainless steel exhaust pipe and egg cup holders. i had to weld brackets to the sides to hold them in place and i had to weld the throttle cable bracket to the marked trumpet. the didn't look as good as the carbon fibre ones but cost very little and worked well once mapped

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