Top 10 Best Spark Plugs For Sti Of 2022 – Review And Buying Guide

Top 10 Best Spark Plugs For Sti Of 2022 - Review And Buying Guide

There are a lot of things that go into making a car perform well. The engine is obviously a key part, but the spark plugs are important too.

If you have an STI, you need to make sure you’re using the best spark plugs for it.

In this blog post, we’ll talk about what makes an STI unique and recommend some of the best spark plugs for it. Stay tuned!

10 Spark Plugs For Sti: Editor Recommended

#PreviewProductScore
1
Genuine Subaru Iridium Spark Plugs…9.50Buy on Amazon
2
4 pc NGK Laser Iridium…9.25Buy on Amazon
3
SUBARU OEM 2004-2007 Spark Plugs…9.40Buy on Amazon
4
Karlyn-STI 368 Spark Plug Wire…7.90Buy on Amazon
5
E3 Spark Plugs E368 Spark…9.70Buy on Amazon
6
NGK (7913) SILFR6A Spark Plug…9.00Buy on Amazon
7
NGK Laser Iridium Spark Plug…9.85Buy on Amazon
8
Karlyn/STI Karlyn Spark Plug Wire…9.35Buy on Amazon
9
NGK G Power Platinum Spark…8.60Buy on Amazon
10
Kvjicdo 4282 400 1305 Ignition…9.55Buy on Amazon

Our Editor 10 Spark Plugs For Sti Review:

1. Genuine Subaru Iridium Spark Plugs 22401AA670 / SILFR6A for WRX & STi Legacy Forester Outback Impreza OEM Set of 4

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Spark plugs for Subaru Impreza Subaru Tribeca Subaru Legacy Subaru Outback Subaru WRX
  • Fitment : Manufacturer: NGK Laser Iridium Resistor Part Number: NGK SILFR6A / 7913 SUBARU Part Number: 22401AA670 SUBARU APPLICATIONS:
  • FORESTER 2004-2013 IMPREZA 2004-2014 LEGACY 2005-2013
  • OUTBACK 2005-2009 TRIBECA 2008-2009 WRX 2012-2016 WRX STI 2013-2019 2.5 Turbo Engines Only

Additional Info :

Buy on Amazon

2. 4 pc NGK Laser Iridium Spark Plugs compatible with Subaru WRX STI 2.5L H4 2013-2018 Ignition Wire Secondary

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • This 4 pack NGK Laser Iridium Spark Plug is compatible with Subaru WRX STI 2018, 2017, 2016, 2015, 2014, 2013 2.5L H4 and is perfect for a tune up or performance upgrade.
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires
  • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency
  • RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK has partnered with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future
  • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors. Their attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of spark plugs and oxygen sensors

Additional Info :

Item Dimensions
Height3.32
Width0.94
Length3.7
Weight0.48

Buy on Amazon

3. SUBARU OEM 2004-2007 Spark Plugs 22401AA630 Forester XT Sti Wrx Baja Turbo 4 pack

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Genuine Subaru Spark Plugs 22401AA630 X4
  • 2006 2007 Impreza WRX
  • 2004 2005 2006 2007 STI
  • 2003 2004 2005 2006 2007 2008 Forester 2.5 turbo dohc
  • 2004 2005 2006 Baja Turbo

Buy on Amazon

4. Karlyn-STI 368 Spark Plug Wire Set; STI;

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Additional Info :

Item Dimensions
Height8
Width3.25
Length6
Weight1.3

Buy on Amazon

5. E3 Spark Plugs E368 Spark Plug

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Package Weight: 0.181 kilograms
  • The Package Length of the Product is 2.54 centimeters
  • The Package Width of the Product is 9.652 centimeters
  • The Package Height of the Product is 12.446 centimeters

Buy on Amazon

6. NGK (7913) SILFR6A Spark Plug – Pack of 4

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Additional Info :

Item Dimensions
Height3.32
Width0.94
Length3.7
Weight0.48

Buy on Amazon

7. NGK Laser Iridium Spark Plug SILFR6A (4 Pack) Compatible With SUBARU IMPREZA WRX STI 2008-2014 2.5L/2458cc

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Engine H4, Engine Size 2.5L/2458cc
  • Engine Family 4-cylinder
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer.
  • Copper core aids in heat removal. Triple seals prevent leakage
  • Sold In 4 Pack

Additional Info :

Buy on Amazon

8. Karlyn/STI Karlyn Spark Plug Wire Set 816

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • KARLYN WIRES/COILS 816 IGNITION WIRES
  • Brand New in the Box
  • Installation Instructions Included

Additional Info :

Item Dimensions
Height8
Width3.2
Length6
Weight1.5

Buy on Amazon

9. NGK G Power Platinum Spark Plug BKR5EGP (4 Pack) Compatible With SUBARU IMPREZA WRX STI 2004-2011 2.5L/2458cc

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Engine H4, Engine Size 2.5L/2458cc
  • Engine Family 4-cylinder
  • Trivalent Metal Plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage
  • 0.6mm laser welded fine Platinum tip reduces required voltage ensuring high durability and a consistently stable spark
  • Sold In 4 Pack

Additional Info :

Buy on Amazon

10. Kvjicdo 4282 400 1305 Ignition Coil + Spark Plug Compatible with Sti-hl BR500 BR600 BR600Z BR700 Blower Rep 42824001308

Top 10 Best Spark Plugs For Sti Of 2022 - Review and Buying Guide


Features :

  • Package include:1*ignition coil 1*spark plug
  • Replacing for:4282 400 1305 42824001308
  • Compatible with:Sti-hl BR500 BR600 BR600Z BR700 Blower
  • Function: Helps to improve combustion efficiency and strengthen electrical performance. Increase ignition energy intensity for easy starting
  • Ensure: If there is any problem with the product, please do not hesitate to contact us, we will help you solve the problem

Buy on Amazon

FAQ’s

What are the best Ignition Projects?

Ignition Projects Quad Spark Ignition Coil Packs – 2015-2021 Subaru STI$495.00 NGK Iridium One Step Colder 2309 Spark Plug Set – 2006-2014 Subaru WRX / 2004+ Subaru STI$21.56$23.96 $23.96 Off the Line Performance OTL STREET SERIES IGNITION COILS EJ2X – 2015-2020 Subaru STI$390.00 NGK Iridium One Step Colder 2309 Spark Plug (Single) – 2004+ Subaru STI / 2006-2014 Subaru WRX$5.99$8.45 $8.45 Subaru OEM NGK Spark Plug – 2015+ STI$16.63$19.58 $19.58 Spark Plugs

What is the difference between a conventional and Iridium plug?

Iridium plugs actually expand several heat ranges when compared to conventional plugs.

How do I keep my power to a minimum?

Go for 1 step colder after 400hp.

What Spark Plug Products Are Available for 2018 Subaru WRX STI?

We currently carry 13 Spark Plug products to choose from for your 2018 Subaru WRX STI, and our inventory prices range from as little as $2.99 up to $19.63.

What are the best Spark Plug products for 2018 Subaru WRX STI?

We only sell parts from trusted brands like Autolite so that you can find quality parts you can count on.

What are the benefits of using Autolite spark plugs?

They seem not to badly made and all were gaped perfectly wasn’t to sure how they would run in my Subaru but she has been running smooth just like new so that’s good now we will see if they last a 100,000 miles.

What are your thoughts on the plugs?

Bottom Line NULL These plugs were a great replacement and worked out well on my bmw.

What are the benefits of Ruthenium plugs?

I’m certainly not claiming that these plugs will increase horsepower, but improved consistency is definitely a plus.

What’s the difference between a Ruthenium spark plug and an old one?

First things I noticed after installing the Ruthenium plugs: throttle responsiveness at idle seems a bit slower, but acceleration at all stages is utterly smooth.

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