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Depending on if you do the cheap... Kind where only one exhaust pipe is actually being used then nothing... But if you get a legit type of exhaust, a.k.a. FlowMasters, O-flow, Magna exhaust, etc. Then you would have to pipes hooked up to the engine... Which means more exhaust, which can sometimes make it harder for the engine to generate heat which would take up more gas not a lot but it would take up more gas...
What else can I help you with?
How can you turn a single exhaust car into a dual exhaust?
by having a exhaust shop weld on a y pipe then just run the dual pipes out the back
Is there dual exhaust manifolds for v6 Dakota?
V6 Dakotas come with "dual exhaust manifolds". If your asking about exhaust systems, all I've seen are singles in and out or single in with dual tips (mufflers). The pipes to the mufflers is Y-pipe to single.
Are true dual exhaust legal in pa if you have two cats and two mufflers and it exits out the back of the truck past the body?
yes, they are legal, true dual pipes are the best type of pipes that you can buy. compared to "single and a double pipes" which aren't loud at all. of course there are straight pipes which have no cat converters, but those sound like crap. so basically if you have true dual pipes you have the best money can buy
Is it legal to switch a single exhaust to a dual?
it is legal to switch to dual pipes however depending on the county and or state your in make sure you check your emissions regs (smog)
Can you dual out a 95 Pontiac firebird?
you can only use the single in and dual muffler on the rear to get dual exhaust.there is no way to use true dual pipes under the car.the floor pan is to low and they cant cross the rear axle.....
On a v8 will single exhaust make more power vs dual exhaust without a crossover pipe if sized accordingly?
The more air that moves on the final stroke of a combustion cycle, the better the performance. If the single pipe from the engine is large enough, then yes, it can outperform an engine with a true dual exhaust with smaller pipes.
Why do people think dual paned windows are better than single paned windows?
Yes. Dual Pane = TWO pane. More is always better.
Which dimm give better performance a single-ranked dimm or a dual-ranked dimm?
single-ranked
How do you know if your 2007 Honda Accord is 6 cylinder or 4 cylinder?
If it has dual exhaust pipes it is a V6. If it has a single exhaust pipe it is a 4 cylinder.
What is a sentence with dual in it?
She had a dual nature because of the disease. This is a sentence containing the word dual.
Which DIMM PERFORM BETTER double sided dual ranked DIMM OR DOUBLE SIDED SINGLE RANKED DIMM?
dual ranked dimm. This is incorrect! Single-ranked DIMMs cost more but perform better because the controller accesses all chips at the same time. Dual and quad ranks are a method of reducing the overall price of memory in a system, but at the expense of performance.
What type of intake manifold is better to use on a 327sb bored 40 over a dual or single plane intake manifold?
Manual transmission use single plane. Automatic transmission use dual plane.
