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The mountune roll-restrictor / RMM reduces the amount of engine roll/movement during hard acceleration and gear changing
some nice aftermarket Titanium ones would make the installation look a bit nicer
Check out the installation video below
7mm in diameter
KEEP IT SIMPLE OR GO HARDCORE:
Process West Anti-Surge Fuel System w/Twin Walbro 460 AN ORB O-Ring Boss Fittings The mountune roll-restrictor / RMMOur new fuel anti surge system is the ultimate in fuel delivery for your G3 WRX or STI. In early 2008 Process West released a true plug and play anti surge system for the MY97 to MY07 WRX STi. We sold many 100s of these units in the last 4 years. The original system was based on a hand fabricated surge vessel with an externally mounted Bosch Motorsports 044 pump. Now in October of 2013 we have raised the bar. It was time to modernise the product and
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