Standard OEM air recirculation dump valve in plastic for Lancia Delta integrale 8v, 16v, Evo 1 & Evolution 2. Other ref 82468490.

Uprated, adjustable twin piston air recirculating dump valve in machined aluminium for all integrale and Evo models. 

Comes with an additional uprated spring for 1.3 - 3 BAR.

This atmospheric diverter valve dumps the charge-air to atmosphere creating the "Whoosh" sound when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably.

Silicone Blow Off Bypass Valve Blank 28mm

Exhaust sealing ring front to centre section and centre to the rear silencer. Fits the standard exhaust on all Delta integrale 8v, 16v, Evo 1 and Evolution 2 models.

Note - the front ring on Cat cars is 82407143.