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What can I do to my engine to get my horsepower w/o changing the sound of my car

 
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No matter what mod you put on your car for performance, it will change the sound of the car "somewhat". Well you probably can get AEM pullies without having the sound changing, but don't quote me on that.

 
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That's true...pullies won't change the sound of your car.....neither will electrical
upgrades..ie: plugs, wires, coils and all that. Fuel rails, injectors, cam gears, crank pulley,
Mixture regulators, and stuff like that will add to the performance, but won't change the sound.

Why are you concerned about sound ? Sound is good !!

 
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maybe he wants a super sleeper, stock body.. stock sound, but eats stangs for breakfast[IMG]i/expressions/laugh2.gif[/IMG]

 
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even with all those electrical and pulley changes, you aren't going to gain that much power. I don't know if nitrous makes any noise, but I am pretty sure it doesn't. that would probably be your best bet.

 
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One thing you could do that is theoretically possible, but practically impossible is: Upgrade to a huge alternator that's connected to the drive shaft and put electrical motors on all four corners. You will have all wheel drive, no more sound than stock, and acceleration would be mind blowing with the right motors.

[IMG]i/expressions/beer_yum.gif[/IMG]

 
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i got my Venom 400 yesterday and i will be installing it thursday

 
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VICEOFID HAS THE RIGHT IDEA. I HAVE TCS EXHAUST AND DC HEADERS, AND THE SOUND IS GREAT TO BE A SUPER SLEEPER. NOT REAL ENGINE SMART, WHAT DO FUEL RAILS DO ANYWAY

 
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I'm wanting to do that as well, I would rather have a silent car and waste any stang anyday. [IMG]i/expressions/face-icon-small-smile.gif[/IMG]