Remark R1 Spec Cat Back Exhaust w/ Stainless Muffler Subaru WRX / STI 2015-2021 | RK-C1076S-01 RX8_2004-2011 Each kit contains:

Each kit contains:

and rigidity

The Skunk2 Pro Series throttle body will bolt up seamlessly to any stock intake manifold as well as any Skunk2 Pro Series intake manifold

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Remark R1 Spec Cat Back Exhaust w/ Stainless Muffler Subaru WRX / STI 2015-2021 | RK-C1076S-01 RX8_2004-2011 Each kit contains:Fitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI Features: The Remark R1 Spec Cat back will definitely REV up your WRX and STI today. Remark had the hardcore enthusiasts in mind when they created this track ready performance exhaust system. Save weight, increase your power, torque, and sound with the Remark R1 Spec cat back exhaust. Loud and aggressive sound profile Direct bolt on easy installation Hand Crafted High Quality Tig Welding