AIRTEC MOTORSPORT HOT SIDE BOOST PIPES FOR BMW N55 model-M135i The E9x GTS DCT caliberation

The E9x GTS DCT caliberation upgrade does not interfere with any engine tuning you may have

turbo muffler delete

hardware can become weaker

We’ve tuned countless S54's —including our own track-driven builds—so we know exactly what your M3 needs to perform at its best

AIRTEC MOTORSPORT HOT SIDE BOOST PIPES FOR BMW N55 model-M135i The E9x GTS DCT caliberationThese boost pipes are designed to work with AIRTEC uprated cold side boost pipes, these direct replacement hot side pipe is made from high quality aluminium construction and also features an increased diameter to improve both capacity and flow. The pipes also feature a CNC machined flange on either end that retains the original o ring and spring clip to ensure a perfect fitment. This is a complete set including silicone joiners and jubilee clips.