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vehicles equipped with OS LSD are more stable in all road/weather conditions
Replaces factory restrictive intake system
more powerful and accurate tune
If that wasn't enough we flared out one end to just shy of 3" so that unlike the competitors
Subaru COBB An Adapter Fittings - Sti 2004-2016, WRX 2006-2020 Differentials vehicles equipped with OS LSDDESCRIPTION The Subaru AN Adapter Fittings include 2 black anodized 6 AN Male to 3 8" SAE Quick Disconnect Female adapters. These adapter fittings allow users that already have upgraded fuel lines installed to easily modify their existing setup to work with the COBB Ethanol Content Sensor. WHY? The Subaru AN Adapter Fittings allow users that already have upgraded fuel lines installed to easily modify their existing setup to work with the COBB Ethanol
