Boost Hoses for Mini N18 Engines Colour:Blue Hoses Offering over 71% increase in

Offering over 71% increase in volume and over 42% increase of frontal area

A 11mm spacer will give an overall track increase of 22mm when fitted to both sides of an axle

it is just not visible/audible because it is recirculating instead of vented to the atmosphere

high efficiency air filter in place of the more restrictive factory air filter

Boost Hoses for Mini N18 Engines Colour:Blue Hoses Offering over 71% increase inA set of Silicone Turbo Hoses for the Mini Clubman Countryman Cooper S 2007 onwards (N18 engine). The standard hoses can be restrictive and more so with earlier models that contained a noise generator. Installed on the cold side, these free flowing hoses improve turbo response throughout the rev range. The re enforced silicone structure will withstand greater temperatures and pressures than the original hose and is ideal for tuned engines. Available