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Frequently Asked Questions

How much horsepower can I expect to gain?

An engine is an air pump, and BORLA's exhaust system allows the engine to pump and flow more uninterrupted air. The actual horsepower increase depends upon the fuel management system's ability to provide the right amount of fuel to match the extra air flow; 5 to 15% increases are not uncommon. Under racing conditions, our XR-1® collector mufflers actually make more horsepower than an open exhaust!

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