COBB Tuning Universal LF BPV



SKU: 715665 Category: Tags: , ,


Product Overview

COBB Tuning Universal LF BPV

  • 100% Billet Aluminum Construction
  • 100% O-Ring Sealing
  • 100% Rebuildable if there ever is an o-ring failure
  • 14% Increase in piston diameter over previous version for better response
  • Compatible with COBB 2008-2014 STI FMIC or other 1″ BPV connections

More Detail

This is a “Universal” style valve designed for 2008-2014 Subaru STI or other custom configurations that call for a 1″ bypass valve inlet.

The COBB LF BPV is a compact and lightweight bypass valve that is capable of holding very high boost pressure without leaking. Its updated design reduces control volume by 30% allowing for extremely fast venting of boost when actuated. Innovative engineering and precision manufacturing result in a compact package able to fit in the confines of a tight engine bay. Due to the low weight of the components, the moving parts in the LF BPV have less inertia and can respond faster than heavier components in other bypass valves. This updated design uses a banjo-fitting vacuum port which provides 360 degree adjustability of hose routing. This results in a simpler install and less potential leak points than the NPT ports. This new design also includes a piston o-ring seal that is twice the diameter of old design allowing more seal compression and reduced wear. Adjustability of spring seat is no longer needed due to the updated spring and seal design which provides a 60% increase in clamping force at peak boost while maintaining similar operation at idle and transient loads


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