The 40-Cent Solution - 2015 Lexus RC F Long-Term Road Test

2015 Lexus RC F Long-Term Road Test

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2015 Lexus RC F: The 40-Cent Solution

June 11, 2015

2015 Lexus RC F

I capped the vacuum line that controls the intake sound of the intake on our 2015 Lexus RC F, like I said I would. It took less than a minute and cost $0.40.

This change (I'm hesitant to call it a modification) falls under the "I can't believe it's not like this from the factory" variety because of its simplicity and its improvement. In fact, documenting the change took longer than the process itself.

But enough people asked about it online, so I wanted to give a longer explanation. With video!

The difference is hard to capture on video, but it's noticeable in the car. Instead of the induction sound "activating" at 3,600 rpm, it's always there under heavy throttle load.

I haven't noticed any negative side effects yet, but I am enjoying the RC F more. The engine sounds like it has more authority in the lower part of its powerband, the part of the powerband where you'll spend the most time if you drive in a city.

There might be a dip in torque at low rpms, but who cares? It sounds cool.

Carlos Lago, Road Test Editor @ 9,900 miles


2015 Lexus RC F

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