MIlltek Large Bore Downpipe with Hi-Flow Cat | B9 SQ5 | SSXAU761

Milltek Sport Large-Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass-through, increasing efficiency.
Combined with our Hi-Flow Sports Cat, you can expect a significant increase in performance and a noticeable difference in sound aesthetic.
- For Fitment with both Milltek Sport and OE Cat-Back Systems
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