BMW 335i DOWNPIPE Power & Sound

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BMW 335i DOWNPIPE Power & Sound


Does downpipe increase horsepower?
On a turbocharged vehicle, a downpipe is a part of the exhaust system that connects the turbo exit to the catalytic converter... While it's generally accepted that installing a downpipe will add "just" 10 to 20 horsepower, that gain is noticeable anytime the turbo is engaged. It adds up to a big increase in performance


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