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Frequently Asked Questions.

Does removing mufflers increase horsepower?

Removing the muffler will significantly increase the exhaust flow while reducing harmful engine back-pressure. ... In most cases, a muffler delete system or a set of aftermarket mufflers (or axle-back mufflers) may do more harm than good and result in less horsepower.

How much HP gain from cat back exhaust?

The Most You Can Gain is 2-5%

If you want to know how much power you can expect to gain from adding an exhaust system to your car, assume that your engine will get 2-5% more powerful. More specifically, large engines like a big 6.0L V8 typically see about a 2%-3% horsepower increase. 

Is stainless steel exhaust better than aluminum?

The real difference between aluminium and stainless steel exhaust systems is the manufacturing process. ... The density of the alloys is so strong that keeps out moisture and other elements from damaging the exhaust. Compared with the stainless steel one the aluminium exhaust is lighter, cost-effective and highly workable.

Can stainless steel rust?

Stainless steel can contain other elements such as nickel and manganese, but chromium is the key element which makes it rust resistant. ... As long as there is sufficient chromium present, the chromium oxide layer will continue to protect the stainless steel and prevent it from rusting.


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