70-63mm Straight Reducer Silicone Hose Colour:Black Hoses PFF5-4602-26

PFF5-4602-26

This gives a big improvement on the restrictive 43mm standard pipes

Often when engines have been tuned by installing larger turbos or even software upgrades improved turbo response can be acheived by fitting the RS valve which has the greater internal mass air flow specification utilising an amazing 50mm (2") bore

For a non adjustable bush use PFR85-1310

70-63mm Straight Reducer Silicone Hose Colour:Black Hoses PFF5-4602-2670 63mm Straight Reducer Silicone Hose Technical Details Large diameter: 70mm (2 3 4"). Small diameter: 63mm (2 1 2"). Overall length: 125mm (4"). Wall thickness: 5mm (3 16"). Layers of reinforcing fabric: 4. Reinforcing material: Polyester. Liner: Silicone. Operating temperature: 40C to +180C.