Fitment Information
- Subaru WRX Hatch / Sedan MT (2008, 2009, 2010, 2011, 2012, 2013, 2014)
- Subaru WRX STi Hatch / Sedan MT (2008, 2009, 2010, 2011, 2012, 2013, 2014)
- Subaru WRX STi Sedan MT (2015, 2016, 2017, 2018, 2019, 2020, 2021)
- Subaru WRX STi Type RA Sedan MT (2018)
- Subaru WRX STi S209 Sedan MT (2019)
Specs & Features
- Triple-Layer Defense: Constructed from 3-Ply Reinforced Silicone that resists ballooning and bursting under high pressure.
- Heat Master: Boasts a significantly higher operating temperature range than stock rubber, making it perfect for track days, canyon runs, or hot summer commutes.
- Built to Last: Superior resistance to electrochemical degradation means these hoses won’t dry rot, crack, or get brittle like factory rubber eventually does.
- Engine Bay Bling: Available in a sleek finish that cleans up the look of your engine bay, finished off with the signature COBB Tuning logo on each end.
- Direct Replacement: Designed to swap perfectly with your OEM hoses for a hassle-free install.
Product Description
The rubber radiator hoses that came with your car are ticking time bombs. Over time, constant heat cycling causes standard rubber to harden, become brittle, and eventually crack or burst—usually at the worst possible moment. COBB Tuning provides the ultimate insurance policy against coolant leaks with these premium silicone replacements. Unlike stock rubber, silicone maintains its flexibility and structural integrity for the long haul, even when subjected to the extreme temperatures of aggressive driving or forced induction setups.
But this isn't just about avoiding a tow truck; it's about upgrading your engine bay's wardrobe. Factory hoses look dull and clunky. The COBB Silicone Radiator Hoses offer a clean, performance-oriented look that tells everyone you care about the details. Whether you are building a track weapon or just want to bulletproof your daily driver, these hoses offer the peace of mind that comes with superior materials. COBB Tuning engineered these to be the last set of hoses you ever need to buy. Swap them in, top off your coolant, and drive with confidence knowing your thermal management is handled.

More in this category
COBB Turbo Inlet Hose
Subaru WRX Parts
Subaru WRX STi Parts
Reviews on this product
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