2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Exhaust Popping Under Deacceleration!!..??

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Old 08-14-2007, 01:43 PM
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your not alone man.
I personally dont like it either.

I like a car to sound the same comin down as it does goin up.
smoooooth.

Its probably from years of watching F1, just doesnt sound right when that engine pops and farts.
Old 08-14-2007, 02:11 PM
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Originally Posted by an0malous
your not alone man.
I personally dont like it either.

I like a car to sound the same comin down as it does goin up.
smoooooth.

Its probably from years of watching F1, just doesnt sound right when that engine pops and farts.
Thank you. It just doesnt sound like a sealed unit when it makes all those 'extra' unwanted noises and pops, ya know. It wasn't until I welded up the system on my 2000 Z28 that it had a smooth sound up and down.
Old 08-14-2007, 02:56 PM
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the crackle only happens when your in second gear going say about 45 mph and instead of constant throttle you let the throttle go without touching it, and your coasting in second gear decelarating in high rpms to low rpms thats why its crackling
Old 08-14-2007, 06:46 PM
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Its not limited to one single gear....

You will most likely hear it when you are in an area that is reflecting sound back towards you and when you are in either shifting from 1st to second or second to 3rd depending on how high your RPMs were at shift, and can also hear it when coasting out while in gear. Its especially pronounced while rolling in first down a hill and slowing down.
Old 08-14-2007, 10:01 PM
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For those wondering about the header and downpipe helping, in my setup it doesnt.

I have the gm upgraded header, 3" XTC downpipe, highflow, and 3" Vibrant exhaust. Its SUPER loud. Im not really really happy with it, but I got a good deal on it. At low rpms' its great, but its otherwise kinda ricey and ALWAYS pops loud when i let off. When im getting off the free way i'll down shift and it pops a million times.

I had turbo charged dodge avenger before my balt, 2.5 dp -high flow-2.5 out.

You could hear the turbo spooling loud and clear and hear the blow off vavle loud.

My car now you can barely hear the supercharger and only at HIGH rpms, due to the loud exhaust.

I have an injen intake and stage 2 so before my exhaust was on the car the supercharger was VERY loud...its just my exhaust is deafening now.
Old 08-14-2007, 10:13 PM
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Well, mine pops, and I like that sound. Some SRT-4s are overkill, depending on the exhaust, but I love the sound of an SRT with a stage flash and factory exhaust. Call me a ricer, but that **** sounds mean!
Old 08-14-2007, 10:20 PM
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Originally Posted by 2fastSS
the crackle only happens when your in second gear going say about 45 mph and instead of constant throttle you let the throttle go without touching it, and your coasting in second gear decelarating in high rpms to low rpms thats why its crackling
exactly, and i do it on purpose just to here it, haha i love it!
Old 08-19-2007, 03:44 PM
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I'm a fan of the popping I must say
Old 08-19-2007, 04:40 PM
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Mine gets that alot but thats because I have a 3" downpipe to an electric cutout. Sounds really mean on my car though.
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