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High Performance

This subsection is strictly devoted to discussions regarding Kia Optima Performance tuning, upgrades, and builds. All other general engine discussions should be in the Optima Engine and Technical section.
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Sticky Engine "Simulator"
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28
22K
 by natelive
[ALL] : Sticky Engine Failures - Share Your Experience
26 27 28
545
140K
 by craigbrooks
Sticky Steering Mode Discussion - **Dealer Change Only**
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760
341K
 by Akina's K5
[ALL] : Sticky THE Oil Discussion Thread
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280K
 by COS-16SXL
[ALL] : Sticky Exhaust Videos (feel free to add)
4 5 6
108
46K
 by Broncoboogieman
P0299 low boost code
14
449
 by crawdaddy
How many high-milage (80k+) Optimas out there? (curious because of engine failures)
5 6 7
133
59K
 by Turbonut
AC doesn't blow air.
1
86
 by Turbonut
Stuck in "Park" & all warning lights are illuminated!
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25K
 by COS-16SXL
[SX-T] : Flashing dashboard
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213
 by 1st timer
I've searched but nothing recent... CV Axle
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6K
 by zalanreilly
Body control module
12
4K
 by zalanreilly
Need Help P0076 & P0198
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881
 by dkiole
2013 kia optima sx multiple problems
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970
 by dkiole
Oil catch can = check engine & high idle
2 3
43
1K
 by dalilpony
Spark plug gap off
4 5 6
103
56K
 by dalilpony
A/C Slow to Start Sometimes
2 3
50
30K
 by Bigjoe71
2017 headlights in a 2016 Optima???
2
234
 by K5 Optima Store
[SX] Anyone Try a Muffler Delete Yet?
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29
16K
 by tif.
Do performance chips really work?
2 3
42
42K
 by K5 Optima Store
Just got an '11 Dx today.
8
288
 by Sc2dave
[SX-T] : Trans fluid flush
2
36
907
 by Sc2dave
Are all Optimas engines covered against damage?
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462
 by Turbonut
What cold air intake would be best for my 2009 Optima LX?
3
363
 by Turbonut
[SX] : Mishimoto OCC Metal Adapters
7
2K
 by Total Fluffinez
[LX] : timing chain
1
163
 by Turbonut
Radiator cap snaps off
5
370
 by Turbonut
Upgrade intake for a 2016 EX
7
420
 by tonester
2011 Optima seized up?
6
561
 by Speed2368
Bov help
4
332
 by JasonS
Engine Oil Usage
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687
 by Turbonut
No boost with bov?
3
260
 by Turbonut
2012 Kia Optima Hybrid - burning smell/smoke coming from engine bay behind driver's side (left) headlight
0
327
 by EdDe
Excessively loud cold start 2.4 GDI
1
951
 by Williamchilton
2012 Kia Optima - 12 Volt. battery -- its a virtual thing. Need help,. Please!!!
1
386
 by Turbonut
[EX-T] : ADD W1 OCC on 1.6T
1
140
 by K5 Optima Store
Bytetronik / LAP3 Comparison Review On the Small Turbo 2.0
2
21
7K
 by WhiteLightingSXL
[SX-T] : Octane boosters question.
5
607
 by 1st timer
Car Back From Body Shop, Now No Tone Or Horn When Locking Doors!
19
10K
 by Yeahabu
2.4L conversion to 2.0 T?
18
12K
 by 1st timer
Engine and Technical Discussion Discussion about the engine , transmission and other technical subjects.
45.1K posts
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