4.74.7 out of 5 stars
30 product ratings
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24 reviews

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Redline SL1

This contains the highest concentration of cleaning agent pea polyethelenamine. More than chevron techron and more than gunk with pea. If it doesn't have pea it is snake oil. The carbon will come out of your combustion chamber and mix into the motor oil so use in a tank right before changing your oil. Your oil will be dirtier which is good it means its doi g its job. This is the only effective fuel system cleaner. Ive spoken to engineers at Redline, gunk, chevron and royal purple. If you can't afford this use gunk with pea it will say it on bottle. Every car should have a clean fuel system. I use 1 bottle for 15 gallons of gasoline. About 1 oz per gallon right before changing my oil. With valvoline full synthetic 5w30 high mileage and either wix Baldwin , Hastings or k&n oil filter. This product is for real. You'll be glad you used it. 10 stars
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Verified purchase:  YesCondition: newSold by: racecarpartsonline

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Costly but seems to work

I can say this I will never allow my truck to go below a half a tank of fuel, I put this treatment in around 3/4 a tank and haven't let it run out or close to 1/2 tank without adding more fuel. Next time I purchase this, and there will definitely be a next time, I'm going to wait for a long trip and really run my motor. As it is now I only live 5 miles away from my job so 10 miles a day round trip I don't think is giving this a fair judgement. But the reviews I've read where very good! So I bought it. End of story.Read full review

Verified purchase:  YesCondition: newSold by: partscontainer

by

Catalytic converter saver

B4 you go spending up the wazoo to have it replaced .... reset the check engine light with a $20 code analyzer..,...run one tank of quality detergent premium with one bottle of Redline. It may clean out your cat and save you $. Worth a try.Read full review

Verified purchase:  YesCondition: newSold by: racecarpartsonline

by

It's the best stuff out there.

I put in half a bottle in 10 gallons of gas and burned it out before changing the oil. I noticed an improvement about halfway through the terms of acceleration. Just before the next oil change, I'll put in the other half of the bottle. It's best to do it that way so that any sludge nastiness is taken out with the old oil.Read full review

Verified purchase:  YesCondition: newSold by: southeast_truck...

by

I can feel and hear the extra power in my Motorcycle.

I mixed up 5 gallons of this stuff and started using it on my motorcycle and my lawnmower. After the second tank in my motorcycle I was hearing and feeling the improvement. I don't know if it helped the lawnmower or not.. It is a lawnmower after all. It just makes a lot of noise and cuts grass..
Good stuff.
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Verified purchase:  YesCondition: newSold by: racecarpartsonline

by

Great Price, easy to use & awesome results!

Great product, already bought another bottle & plan to use this product more often!

Verified purchase:  YesCondition: newSold by: racecarpartsonline

by

Excellent product

This product has done wonders for my car. My car runs very smooth, even the horsepower and acceleration and improved as well. Great product and a great price

Verified purchase:  YesCondition: newSold by: racecarpartsonline

by

My choice for fuel system cleaner

I guess it is doing it's job. After I had the plugs and coil changed,
the car is running o.k. now. I will continue using Redline .

Verified purchase:  YesCondition: newSold by: a1_performance

by

Highest PEA Percentage

Best price, fast ship, highly recommended

Verified purchase:  YesCondition: newSold by: racecarpartsonline

by

Absolute BEST fuel additive, PERIOD!

This is the best fuel additive on the market, hands down. Period!

Verified purchase:  YesCondition: newSold by: speedstuffsales

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