LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Anyone run straight pipe?

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Old Jun 14, 2008 | 11:27 AM
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Default Anyone run straight pipe?

As the title states..Any input is welcome
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Old Jun 14, 2008 | 11:39 AM
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I run PS LT's, ORY into an SLP shotgun resonator. Nothing after the resonator, let me tell you, it is LOUD. This car is 95% strip car only hits the streets occasionally. If it was a street only car i would definitely change this set up its that loud.
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Old Jun 14, 2008 | 11:39 AM
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im curious too. i see alot of people go with an x pipe instead of straight. does a x pipe flow better than just two staight pipes?
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Old Jun 14, 2008 | 11:42 AM
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An X pipe equalizes pressure per sides before the mufflers and allows the system to be more efficient by doing this. If you had very unrestrictive mufflers like bullets the advantage would not be as large as it would with more restrictive muffs.
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Old Jun 14, 2008 | 12:44 PM
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Im not talking about true duals.i dont have headers yet.I was going to put my high flow cat back on n run straight pipe after that.I drive my car everyday.
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Old Jun 14, 2008 | 01:04 PM
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I drove my car once with a completely stock exhaust (manifolds, cats, I pipe) with the muffler off. It was absolutely unbearably loud. And not in a good way either, it sounded like crap. I could never drive a car like that on a daily basis. I barely made it two miles from the shop to my house without getting pulled over. A nice free flowing muffler or catback like Magnaflow will not rob much power if any, will sound a zillion times better, and keep you out of trouble, especially on a daily driver or frequently street driven car.
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Old Jun 14, 2008 | 01:22 PM
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I have a flowmaster right now with no cat n it loud n sounds good but the SLP LM is straight pipe with a piece a straigh threw pipe they call a resonator.
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Old Jun 14, 2008 | 03:14 PM
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I've heard Loudmouth exhausts in person, and despite having no real muffler in them they are not as loud as you might think, and they do sound better than my car did with no muffler. But between Loudmouth and Magnaflow I'd take the Magnaflow any day. Hooker too.
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Old Jun 14, 2008 | 03:50 PM
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my car only has manifolds and one cat and !muffler and its pretty loud Its louder than my friends mustang with full exhaust It has a deep throaty tone down low with the slight gurgle coming off the throttle which I love. Up top it SCREAMS. Cops don't say much around here cause all the have 4x4's with straight pipes
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Old Jun 14, 2008 | 04:30 PM
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My buddy has a '98 SS with shorties, catted Y, and no muffler. It's extremely loud and actually sounds very good. I don't think I'd try it without cats though.
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Old Jun 14, 2008 | 04:40 PM
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My 94 is running shorties and a magnaflow. It sounds amazing. Formula413 you may remember what it sounded like when I was in Connecticut at some of the cruises on the Berlin TP. The Magnaflow is fairly quite until 2800-3000. I've gotten many compliments on it.
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Old Jun 15, 2008 | 03:30 PM
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Im running a 3 inch straight pipe directly from the turbo and it sounds really good, no cat, muffler or resonators of any kind, you can hear the turbo spooling up too so its pretty cool.
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Old Jun 15, 2008 | 03:58 PM
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Originally Posted by fergymoto
An X pipe equalizes pressure per sides before the mufflers and allows the system to be more efficient by doing this. If you had very unrestrictive mufflers like bullets the advantage would not be as large as it would with more restrictive muffs.
yep, straight pipes arent as good as an x
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Old Jun 15, 2008 | 04:12 PM
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Originally Posted by Jose93z28
Im running a 3 inch straight pipe directly from the turbo and it sounds really good, no cat, muffler or resonators of any kind, you can hear the turbo spooling up too so its pretty cool.
My buddy's Cummins is like that, but what you hear is the turbo's intake, not it spooling from the exhaust lol I've driven in front of him when it punches it. Inside my car, windows up, music on a lower setting and it's STILL loud! Inside it's pretty loud too.

I had my old Burban with no exhaust after the Y (no cat) and it sounded horrible lol Cat wouldn't help tone it down much either. Just get a Magnaflow roundie and that'll help some. I had basically that, but over the axle into that and dumped. It sounded like NASCAR lol Was my DD and I put up with it for about 5 months till I got a flowie. I love my current exhaust. I'd remove the cat, but it'd change the tone and I don't want that heh
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Old Jun 15, 2008 | 06:13 PM
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Well ok then.How much would I gain by swapping my flowmaster to a hooker or magnaflow.
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Old Jun 15, 2008 | 06:20 PM
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Enough to merit the swap heh An HP or 2 and better top end flow.
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Old Jun 15, 2008 | 06:29 PM
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hm...85 dollars for 2 HP.I dont have many mods.Just 3.73s, CAI, Flowmaster, T-stat, Bypass, Nittos.
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Old Jun 15, 2008 | 07:29 PM
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It'll sound better too
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Old Jun 15, 2008 | 07:37 PM
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i ran open headers for about 2 weeks. it sounded like a harley except louder. now i have 3" true duals... its too quiet
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Old Jun 15, 2008 | 08:40 PM
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never heard straight pipes on a f-body but i have a friend with a cobra and he has straight pipes. sounds sick on his car. but for our cars im an advocate for the SLP LM.
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