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Hello si family. Im currently tuned on phearable 1.5r with minimal mods. How much louder is the si with catted downpipe? I currently have 27won front pipe,but plan to keep the stock exhaust.

Vehicle: 2025 si 17k miles Total tuned time: 2 days Tuned miles driven: 300 miles Tuning device(s) used: KTuner V2 Tunes used: Phearable 1.5r Fuel used: bp or sunoco 93 octane Additional related mods: Prl intercooler with charge pipes and high volume outlet, 27won front pipe, Prl stage 1...

Cant hear much in the video, but the wastegate rattles pretty loud off throttle on these engines.