Fuel Consumption versus Go Fast Stuff
Safety Car
Joined: Jun 2005
Posts: 4,977
Likes: 256
From: St. Louis Missouri
Driving style has a huge impact on fuel efficiency. In my opinion, adding louder exhaust tends to entice the owner to drive the car a little harder. Simply adding the exhaust may have some minute positive affect on fuel efficiency, but that is often overcome by the driver's adjustment to their new $1200 play toy.
Le Mans Master
Joined: May 2008
Posts: 5,892
Likes: 47
From: Helotes TEXAS
Watched an episode on the Speed Channel and it discussed how to get better gas mileage out of your vehicle. A strong recommendation was made for the following items. However, when I read forum posts, these same items are identified as "go fast" items and fuel mileage never comes up.
Your thoughts.
. An after-market air filter system that is non-restrictive
. Good spark plugs
. Synthetic oil and other synthetic products
. Computer Tune
. Catback exhaust system
. Long Tube Headers
Your thoughts.
. An after-market air filter system that is non-restrictive
. Good spark plugs
. Synthetic oil and other synthetic products
. Computer Tune
. Catback exhaust system
. Long Tube Headers
Former Vendor
Joined: Sep 2009
Posts: 295
Likes: 0
From: Manassas VA
Driving style has a huge impact on fuel efficiency. In my opinion, adding louder exhaust tends to entice the owner to drive the car a little harder. Simply adding the exhaust may have some minute positive affect on fuel efficiency, but that is often overcome by the driver's adjustment to their new $1200 play toy.
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Le Mans Master
Joined: Jul 2009
Posts: 9,526
Likes: 12
From: Los Angeles California
Two or three of those would put you in the 1,000 HP range
Le Mans Master
Joined: Mar 2006
Posts: 7,207
Likes: 312
From: Lino Lakes MN
A simple demonstration of how this works is with your mouth:
Open your lips as if your were going to say "oh". (Small opening)
Then take 3 big breaths as fast as you can without opening your mouth anymore.
Notice how much energy it takes.
Now open you mouth as wide as possible and take 3 more big deep breaths.
Notice how much easier (less energy) it is.
Now if you were to keep trying to breath hard with your mouth wide open, you'd hyperventilate AND tire yourself out very quickly.
And there you have it. Letting the engine breath easier doesn't mean that you have to push it harder.
Open your lips as if your were going to say "oh". (Small opening)
Then take 3 big breaths as fast as you can without opening your mouth anymore.
Notice how much energy it takes.
Now open you mouth as wide as possible and take 3 more big deep breaths.
Notice how much easier (less energy) it is.
Now if you were to keep trying to breath hard with your mouth wide open, you'd hyperventilate AND tire yourself out very quickly.
And there you have it. Letting the engine breath easier doesn't mean that you have to push it harder.
After reading this, I want an explaination on larger exhaust
