---3" bore narrowing to 2.5" at the outlet for maximum exhaust flow ---Noticeably improves throttle response ---Free flowing to get the most from the 225bhp Bam engine ---Built in flexi joint helps reduce exhaust strain ---Sold for off-road / track-use only Fitment: ---Audi S3 8L 2001-2003 models ---Audi TT 8N (MK1) 1.8T 225bhp 1998-2006 models.
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