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2009 cts v showing gas mileage increase with 2 5 pulley and 3in exhaust no mufflers.

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Uploaded by on Mar 16, 2009

New average is 27mpg on the highway, not too bad considering it was always in the 13-19 areas.....

Stock catback = lose....

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Autos & Vehicles

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Uploader Comments (wait4meperformance)

  • Massive tuning was required, more boost and free flowing exhaust.

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All Comments (9)

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  • Long term results will prove he gained maybe 2 to 4 miles per gallon and the meter was wrong.

  • im getting around 10.7 in total with 35% of the time on the freeway, but its like 10 city if you drive calm and 19 hwy

  • What do u get as daily driver? I am thinking of getting one just wanted to know the mpg. city and highway in real life.

    Thanks

  • man i gotta do this on my car, mileage sucks on it, and its my daily driver lol.

  • can u make a video of you in the car and looking at the dashboard and accelerate fast

  • i don't know if i get it right? ... a new exhaust shall double the average mileage? well, it sounds a lil bit strange to me! how should that work? .. but maybe my english isn't good enough for correct understanding!?

  • That is one nice car.

  • I hope he sign on as a GM CTS-V consultant! If his invention works; no more gas-gusser tax and could be the "green" car of the next 5 years!

  • Any mod that can improve the gas mileage on the V can only make it more appealing.

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