Description
- Saves 12 lbs over stock system
- Removes stock exhaust valve and catalytic converter
- Pre installed Stage 1 quiet insert (Q5)
- 100 db @ 6,000 R.P.M (stock 96 db @ 6,000 R.P.M)
- Comes with extra 18mm wide bung for use of aftermarket auto-tuner fuel controllers
YA6924 made by M4
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