Forge Silver Recirculating Blow Off Valve Mitsubishi Lancer Evolution 8 + 9 2003-2006

Blow Off Valves

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Made from billet aluminium, this recirculating diverter valve dumps the charge-air back into the air intake system keeping external noise to a minimum. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably.

Unlike the Diaphragms valves this uses a single piston single spring to prevent the valve from leaking air into the intake system at idle. This prevents our diverter valves suffering any of the failures associated with single piston and diaphragm type diverter valves. Gives you the sound you want, but keeps the performance! when increasing boost this is needed.

The best choice if your looking to make your turbo spool quickly, have your car idle like it just left the factory, and you won't be tricking the mas air flow meter in between shifts, which leads to smoother gear transition

fits evo 4/5/6/7/8/9

Note: Please allow Forge Motorsports' orders up to two business days to ship out.


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

Forge Silver Recirculating Blow Off Valve Mitsubishi Lancer Evolution 8 + 9 2003-2006
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