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The answer depends upon the displacement of the engine, type of piping used, composition of the muffler, exhaust type, and whether the vehicle is naturally aspirated or uses forced induction.

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Q: How much horsepower can a car gain by installing an after market catback?
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Related questions

How do you get more horsepower for your 1998 civic ex quickly?

how much u lookin too gain?? Catback exhaust, cold intake, full exhaust.


How much horsepower can a vehicle gain by installing aftermarket heads?

5-15+ depending on vehicle and type of headers.


How much horsepower can a vehicle gain by installing cold air intake?

depending on the style of intake, and type of car you can gain up to around 20% hp


How much horsepower can you gain by installing aftermarket cam shafts?

Not enough to justify the cost of buying and installing aftermarket cam shafts, at least on a value-per-dollar basis.


How much horsepower do fuel injectors give lt1?

All 300 of it. This is a question without a better answer. You need to state a better question, such as -- how much extra horsepower can I gain by installing larger injectors? The answer to this one is -- none, if this is the only modification.


How much horsepower can you gain from removing the resonator from your aftermarket exhaust system?

you wont gain any horsepower, you will just gain more noise


How do you gain horsepower?

by upgrading your engine.


How much horsepower will you gain with an aftermarket intake on a tiburon?

3-5 horsepower


How much horsepower can a vehicle gain by installing aftermarket headers?

It does depend on the engine, but I'd shoot a little higher and say headers will give a good 15-30 hp 3 or 4 hp depending on the engine


What can be added to gain horsepower to the air intake of a 99 3.8L V6 Pontiac firebird?

what can be added to gain horsepower to the air intake of a 2.2L Pontiac sunfire?


How much horsepower gain from flowmaster exhaust on ford f150 truck?

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What are 202 Chevrolet Heads?

202 refers to the intake valve size, as in 2.02 inches, upgrading to 202 heads is a very common way to gain horsepower, but usually requires upgrading the intake (better intake manifold and a better carb) and installing headers, to make the most of it. even installing a new highperformance camshaft