Upgrade your Subaru WRX STI (late 2006 models) or Legacy GT Spec B (2007-2009) transmission with the IAG Performance 1st - 6th Carbon Synchro Set. This premium synchro set enhances shift quality by delivering smoother, more precise gear changes while extending the life of your 6-speed transmission. Designed specifically for Subaru enthusiasts, it addresses common synchro wear and shift issues caused by aggressive driving or normal use.

Each synchro features a durable dual carbon friction surface combined with precision-machined Japanese brass construction, maximizing gear-to-synchro contact. This reduces shift effort and improves overall transmission reliability. Covering all six gears in one complete set, it eliminates the hassle of sourcing individual OEM parts, making it ideal for rebuilds or performance upgrades.

Perfect for Subaru drivers looking to maintain or enhance their drivetrain’s responsiveness and durability, this synchro set ensures a more enjoyable and reliable driving experience. Trust Subimods for quality Subaru performance parts that meet the demands of serious enthusiasts. Shop now to upgrade your transmission with confidence.