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Do Tell
Reviewed in the United States on May 6, 2025
I can't say these will increase your overall power but they do fire well paired with the upgraded iridium laser plugs I installed and send a strong steady note to my exhaust. The truck runs and sounds great!
Clipper Sorcery
Reviewed in the United States on September 29, 2024
I was experiencing a high RPM misfire… these exceeded my expectations, misfire gone and noticeable increase in throttle response
Peter Jankowski
Reviewed in the United States on June 1, 2024
Great product, easy to install. Haven’t noticed any significant changes yet, but only have had installed for a day. Product does give conflicting fitting info though. Box says for 5.7-6.1L hemi from 05-14 but other sites said it fits up to 2023. Installed with out a problem and no computer issues. MSD just needs to update their fit info.
Ari
Reviewed in the United States on November 29, 2023
bought some at Auto Z o n e but ended up returning then because they said dura L a s t does not last but a year so thought let me spend a bit more and get these as they have good reviews. put them in my 2016 ram 1500 v8 hemi and i def feel the difference in power as well as saving a bit more on gas..Mind you i did also change spark plugs with better ones as my truck just hit 100K.. so highly recommend changing plugs and Coils for a difference in MPG as well as more power.. hopefully these will last as ive heard some can last just a year or a few.. kept the original old ones as they were all in good working condition as back up just in case...
Lucas
Reviewed in the United States on September 16, 2022
Extra spark, extra horsepower, very crisp, lots of firepower.....
RODNEY MONTGOMERY
Reviewed in the United States on June 6, 2022
Ilike how easy it was to install and its performance I would recommend this product and will use it again on future cars and trucks
MERLIN
Reviewed in the United States on December 19, 2021
230,000 miles on this old hemi, replaced the original OEM coils with these MSD coils and my engine runs like new again! Completely worth the investment!
DB
Reviewed in the United States on February 17, 2016
I had my mechanic install these with a regular tune up on my 2006 Dodge Magnum SRT8 Hemi, it had 82,000 miles on it at the time. The car runs like new, the power is restored, crisp throttle response and rock steady idle. Before the tune up the car seemed sluggish and idled rough. Was it the coils or new spark plugs, its hard to say. The plugs were worn, I cant imagine them going all the way to 99,000 miles. I do have to say that I believe the MPG has improved a half MPG to 1.5 MPG which on an SRT8 is a lot to say. I had them installed as more of a preventative maintenance item. I do appreciate knowing that I have the best under the hood and they do look great. If you can pick these up for in the mid $300 or lower range I say do it.
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