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Old Aug 31, 2006 | 07:34 PM
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Default spintech mufflers

Anyone running a spintech crossflow muffler,I have a flowmaster on it and am wanting to get rid of the rasp,I dont run a convertor.
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Old Aug 31, 2006 | 07:39 PM
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Moving to external engine
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Old Sep 1, 2006 | 10:39 AM
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prob wont reduce all the rasp.
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Old Sep 1, 2006 | 11:43 AM
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I got a spin tech muffler on my Z and i like the sound, quiet at idle and loud, no rasp at full throttle, has a nice throaty sound. beautiful rumble to it.
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Old Sep 2, 2006 | 01:14 AM
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I agree. I even have a bullet in the I-pipe to quiet it just a tad bit more.
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Old Sep 2, 2006 | 09:46 AM
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how loud is it inside at cruising speeds? 1500-2000 rpm?
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Old Sep 2, 2006 | 01:36 PM
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it isn't. and I like that I can have a conversation with my wife in the passenger seat without raising my voice.
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Old Sep 2, 2006 | 05:06 PM
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I mite just but a bullet muffler in the system.with my flow.
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Old Sep 2, 2006 | 09:35 PM
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spintek have been known to rob horsepower....
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Old Sep 2, 2006 | 11:07 PM
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yeah sure, I'll just take your word for it

you got to come with proof buddy, or don't come at all.

Even if it does, I'd glady give up 5-6hp to have an exhaust I like the sound of.
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Old Sep 3, 2006 | 08:26 AM
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Originally Posted by Asmodeus
yeah sure, I'll just take your word for it

you got to come with proof buddy, or don't come at all.

Even if it does, I'd glady give up 5-6hp to have an exhaust I like the sound of.
Actually, he's right, atleast partially. The baffling in the muffler will keep it from flowing as well as a flow through design like a bullet or a magnaflow. However I dont think it will be a noticable ammount, and probably well within a dyno's margin of error. Personally, Im with you that losing a few HP is well worth having the perfect exhaust. You can always gain those HP back somewhere else. If youre an all out race car looking to squeeze every last ounce of power, youd be running open headers anyway
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Old Sep 3, 2006 | 12:25 PM
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well yeah they're going to rob HP over a bullet or an open exhaust

I thought he was comparing it to other chambered mufflers like a Flowmaster.
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Old Sep 3, 2006 | 12:54 PM
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I don't know of a crossflow muffler out there that flows that well,I whiched to the 5 case flowmaster crossflow and it sounds good just raspy.the it really feels like it flows good to,but a crossflow muffler just isn't a great design.
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Old Sep 3, 2006 | 01:59 PM
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mufflers rob HP period. point of a muffler is to make it sound good. IMO it should have a deep tone at idle not drone in the car and sound pissed off at WOT spintech does all of this. if you want less HP loss get a cut out or just run open headders.
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