Cheapest, best ways to boost HP? - New Tiburon Forum : Hyundai Tiburon Forums
 
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post #1 of 21 Old 11-01-2016, 10:14 AM Thread Starter
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Smile Cheapest, best ways to boost HP?

What are some effective, cheap ways to boost HP? I have an 08 Tiburon GT, stock everything (125k miles). i'm considering a cold air intake, an exhaust upgrade, and headers. Any recommendations on brands that are AFFORDABLE for a college student? or any other ideas?
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post #2 of 21 Old 11-01-2016, 10:26 AM
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A cold air intake is a decent starting point. While it's debatable how much actual HP you'll get from it, the induction noise alone will make it worth it.

Headers and an exhaust are also very good early mods. They do cost a bit more though.

If you want cheaper mods that give you a better overall feel I'd recommend (if you have a manual) shifter bushings and a short throw shifter.

You can find some very good information on the Naturally Aspirated thread.
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post #3 of 21 Old 11-01-2016, 11:09 AM
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Re: Cheapest, best ways to boost HP?

I agree CAI and exhaust are a must and with the shifter bushings and base bushings. And short throw shifter.
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post #4 of 21 Old 11-01-2016, 11:13 AM
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Re: Cheapest, best ways to boost HP?

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Originally Posted by MrElantra104 View Post
I agree CAI and exhaust are a must and with the shifter bushings and base bushings. And short throw shifter.
Are shifter bushings and base bushings a pain-in-the-ass for technicians to replace?
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post #5 of 21 Old 11-01-2016, 11:26 AM
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Re: Cheapest, best ways to boost HP?

Nope not really. Most folks can do it with simple hand tools.
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post #6 of 21 Old 11-01-2016, 11:58 AM Thread Starter
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Re: Cheapest, best ways to boost HP?

So any recommended brands for the CAI and Exhaust System?
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post #7 of 21 Old 11-02-2016, 09:17 AM
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Re: Cheapest, best ways to boost HP?

I run a eBay CAI with a K&N filter. Performs just as well as a name brand but WAY cheaper.
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post #8 of 21 Old 11-02-2016, 09:55 AM
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Re: Cheapest, best ways to boost HP?

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Originally Posted by 08TiburonSE View Post
Are shifter bushings and base bushings a pain-in-the-ass for technicians to replace?
Nope not really, well on the i4 beta1 5 speed it was a simple mod to do, as far as the v6 6 speed it shouldn't be much to worry about as they look easy to access since my brother has the V6 6 speed SE.
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post #9 of 21 Old 11-02-2016, 10:01 AM
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Re: Cheapest, best ways to boost HP?

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I run a eBay CAI with a K&N filter. Performs just as well as a name brand but WAY cheaper.
I just installed an eBay CAI yesterday but it came with 2 brackets and 2 washers and 2 nuts and a vibration dampner im not too sure where they would go.? Did yours come with those as I was trying to figure it out
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post #10 of 21 Old 11-02-2016, 11:53 AM
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Re: Cheapest, best ways to boost HP?

There's a bolt near the battery tray on the chassis the vibration mount screws into..

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post #11 of 21 Old 09-05-2018, 02:48 AM
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The bracket replaces the stock horn mount if I'm not mistaken. That's how it was for my Injen intake.

If I can't make it fast, I don't want it
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post #12 of 21 Old 09-12-2018, 02:42 PM
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My OBX exhaust was the cheapest one at the time. Got it for like $350. Thing was terribly raspy until the mufflers broke in or I just got used to it. I have had several people think it sounded really good though. Never had any quality issues with it. As far as I remember it's supposed to be the loudest available. No resonator or option for one.
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post #13 of 21 Old 09-13-2018, 07:42 AM
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Re: Cheapest, best ways to boost HP?

Headers are an absolute must for this car. The stock cats (all 3 of the damn things) are very very restrictive. Engines love breathing. SRI/CAI is helpful too. Exhaust and headers though make the most difference.
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post #14 of 21 Old 03-15-2019, 04:56 AM
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Re: Cheapest, best ways to boost HP?

Cheapest and easyest way is to port and polish air inlet manifold. and a big bore throttlebody


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post #15 of 21 Old 03-25-2019, 07:02 AM
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Re: Cheapest, best ways to boost HP?

How would you get into the intake plenum and port those long runners?
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post #16 of 21 Old 03-25-2019, 10:25 AM
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Quote:
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How would you get into the intake plenum and port those long runners?
Unfortunately, if you're wanting to bore them out you'd most likely have to cut the whole thing open and weld it back when you're done. I'm sure polishing what you can reach and port matching the ends would still help though.
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post #17 of 21 Old 03-27-2019, 06:17 AM
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Re: Cheapest, best ways to boost HP?

Damn. I wonder if its worth just building a new IM from scratch. I know people with CNC machines... *evil laugh*
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post #18 of 21 Old 03-27-2019, 07:19 AM
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Re: Cheapest, best ways to boost HP?

Good luck with that! lol

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post #19 of 21 Old 03-27-2019, 02:33 PM
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Re: Cheapest, best ways to boost HP?

If you've got the tools to make your own you've probably also got the tools to weld the stock one back together, and honestly a custom made "wide open" UIM is just going to slaughter your bottom end with little to no top end gain. Whether or not you can do it, the companies that put out good products like this have a lot of experience testing how their design impacts performance, and ideally they actually test variations on the engine to see what actually works. Unless you feel like fabricating a half dozen variants and dyno testing each one, just do what you can with a stock one or keep an eye out for a used aftermarket unit from a reputable brand. If you're feeling brave I've even read of limited success custom rigging mu intake manifolds on (updated version of our delta).
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post #20 of 21 Old 03-27-2019, 05:48 PM
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Re: Cheapest, best ways to boost HP?

Basic Maintenance like spark plugs, wires, synthetic oil change, air filter, alignment, MT fluid change, coolant flush, seafoam, etc.... I had alot of it done recently and the car felt really alive and new again. No point in doing performance upgrades when those basic maintenance can instantly add HP back to your car and prolong vehicle life at the same time.
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post #21 of 21 Old 03-28-2019, 02:52 PM
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Re: Cheapest, best ways to boost HP?

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Originally Posted by rocky.g View Post
What are some effective, cheap ways to boost HP? I have an 08 Tiburon GT, stock everything (125k miles). i'm considering a cold air intake, an exhaust upgrade, and headers. Any recommendations on brands that are AFFORDABLE for a college student? or any other ideas?
Injen cold air intake seems to be a pretty sweet install took me about a good half day to complete it.

I believe there is slightly more air in the Air fuel ratio. kinda slows you down. Sounds better and is good for future upgrades.

But there was also some sort of slight weight reduction with the CAI

Another easy thing is removing parts for weight reduction for some speed.

I found a lightweight crankshaft pulley that i had installed by a professional mechaic while doing my regular 90k maintenance on the belt.

That was a sweet upgrade but in the automatic drive mode it kinda sucks in 1st & 2nd gear. But when i use triptonics to rev higher up in the lower gears. It Rips alot better. It becomes proper again!

I also run some octane booster that the youtuber Chrisfix tested on the dyno for gains in a honda civic. I do believe the premium fuel & octane booster also provides a slight amount of hp and it all is slowly adding up. I ordered vp racing fuel i have no idea if that will work when it arrives.

I have ordered some ebay headers for the cat delete on my vehicle but i havent installed it yet because in the State of New Jersey does not allow you 2 maintain your car apparently. Update you on that when im done but should defintily help with weight reduction with the cheap ebay headers =/ also found the welds on them were decent but the inside of the pipe was not smoothed properly

Last edited by 008tib; 03-28-2019 at 07:11 PM.
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