Upgrade your 2011-2014 Subaru WRX or WRX STI sedan with the GReddy Supreme SP Cat Back Exhaust, engineered to boost both performance and sound quality. This premium exhaust system enhances exhaust flow with its large 3” diameter piping and a unique horizontally mounted, 3-section muffler featuring a center inlet for optimized gas routing, delivering a smooth and aggressive exhaust note.

Key features include dual 2.5” outlets leading to quad staggered 3.5” GReddy double-wall slash cut tips, providing a refined yet powerful sound. The non-tapered 3” mid-pipe houses a large resonator that effectively reduces drone, ensuring a comfortable driving experience. Crafted from hand-welded 304 stainless steel, this cat back exhaust offers durability and long-lasting performance backed by a Limited Lifetime Warranty.

Ideal for Subaru enthusiasts seeking a high-quality exhaust upgrade that balances power, sound, and reliability, the GReddy Supreme SP is the perfect choice to elevate your WRX STI’s style and driving dynamics. Shop this premium exhaust system at Subimods and experience the difference in your ride.