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thejeremyman9 · 02-20-2023, 06:37 PM

If you are already catless, resonator delete for <$100 might be the cheapest next step. There is a thread on valvetronic if you want to consider this, i dont think it got very good reviews.

02-20-2023, 06:37 PM	#4
thejeremyman9 Major General 4392 Rep 7,629 Posts Drives: 2015 BMW 335i Join Date: May 2019 Location: Cali iTrader: (0)	If you are already catless, resonator delete for <$100 might be the cheapest next step. There is a thread on valvetronic if you want to consider this, i dont think it got very good reviews.
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