The HKS Super Turbo Muffler for the Subaru Impreza WRX / STI 01-07 fits without modification from the catalyst in order to provide an aggressive sound under load but a relatively comfortable sound at steady speeds thanks to the centre resonator. With a high quality S304 stainless steel structure, this 3" / 76mm exhaust features 124mm titanium finish tailpipe that integrate perfectly with the standard rear diffuser. Perfect for an OEM configuration as well as up to 500hp, this HKS catback combines exceptional build quality, a unique sound and an extraordinary look!

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Direct mounting

100% S304 stainless steel

3" / 76mm diameter

124mm titanium finish tailpipe

Noise level : 91db (idle)

Capable of supporting up to 500hp

Mounting kit included

Assembly instructions included

Made in Japan