Different muffler on the KA24E?

Forum for the Xterra, Frontier and Hardbody, the smaller workhorses of the Nissan lineup!
Drafteddesign
Posts: 89
Joined: Sat Dec 19, 2009 4:24 pm
Car: 1990 Nissan Hardbody. Lowered, modified, and never complete.

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I was at the local PullAPart the other day, and I run up on a Lexus SC430. It had the factory exhaust, which is a dual exhaust setup, with 2 muffler/tip combos fed by different pipes.(From my position under the rear of the car, it looked to be truly dual). The mufflers had chrome tips that were made to it. They were dirty from months of dust and neglect, but I bet they would sparkle if I put some chrome polish to it.

I don't like the dual exhaust sound on a 4cyl, and I don't like the resonance you get from a flowmaster or cherry bomb. I'm wondering if my truck would sound good with one of those mufflers stuck to the end of my factory setup(Keep the cat con, and the resonator) just extend it so the tip is visible out of the back(through the roll pan). Since 1 muffler handled 3 cylinders on the Lexus, the back pressure should be about right for my KA24E, right? Has anyone ever done anything similar to this? Any one have other issues that I might need to consider before doing this?


Drafteddesign
Posts: 89
Joined: Sat Dec 19, 2009 4:24 pm
Car: 1990 Nissan Hardbody. Lowered, modified, and never complete.

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I'm headed back up there this weekend, so hopefully I will find something I can use. I will search for a sportier Infinity, just to stay loyal to the brand. If I can find a nice cat back set up, that mofo will come home with me. Stay tuned for updates. :werd:

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Rev_D21
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I am a Magnaflow fan. I liked how mellow yet powerful a stainless Magnaflow universal made my KA powered Altima sound, no annoying or ricey sound at all, it had a mature and sporty tone. Also note that you don't want to make the truck heavier by changing the exhaust, it would be an empty gain. Keep it lightweight yet effective if you want to feel any gains.

Drafteddesign
Posts: 89
Joined: Sat Dec 19, 2009 4:24 pm
Car: 1990 Nissan Hardbody. Lowered, modified, and never complete.

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Good point, Reverend. Honestly though, I'm more after how the truck looks and sounds. I'm hoping that a chrome tip or two sticking through the roll pan will give it a one off appearance and note, with out the custom price tag. If I happen to gain some ponies or fatten up a power band, then YAY me!

Drafteddesign
Posts: 89
Joined: Sat Dec 19, 2009 4:24 pm
Car: 1990 Nissan Hardbody. Lowered, modified, and never complete.

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well, I went to get those duals today. After looking at the way the inlet pipe to the muffler is curved, there's no easy to make it work without letting a muffler shop charge me for alot of welding. I passed on them. Oh well, the search continues....

Drafteddesign
Posts: 89
Joined: Sat Dec 19, 2009 4:24 pm
Car: 1990 Nissan Hardbody. Lowered, modified, and never complete.

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Well, we all know how plans change.....

I've gone a different route with this all together. I'm going to C notch my frame, so I can lay frame soon. I'm not saying that I CAN'T run my exhaust out the back, I'm just saying it would be a PITA. Soooo..... I took a reciprocating saw to the tailpipe portion of the exhaust pipe. I lopped it off directly past the snout on the muffler, just in front of the axle. This actually gave the truck a nice little mellow tone. Alot like a flowmaster, but without the loss of backpressure and without all of that popping and grumbling when I let off the accelerator. I can always run a length of pipe and a tip to dump in front of the rear left tire in the future, if plans change again. I just wanted to kinda finish off this thread... and maybe inspire some other guys to ditch another pound off their trucks by doing the same.


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