K&N

K&N Performance+ Fuel System Cleaner: Restores Performance and Acceleration, 16 Ounce Bottle Treats up to 21 Gallons, 99-2050 , Black

$10.99★ 4.6(1,136 reviews)

Mubboo Score 5.4/10

RESTORES PERFORMANCE: Fuel injector cleaner cleans entire fuel system to help restore lost engine power
INCREASED RESPONSIVENESS: Helps restore lost acceleration and throttle body response
REDUCES CARBON DEPOSITS: Injector cleaner helps remove carbon buildup for increased power and acceleration
SAFE ON ALL ENGINES: Specially formulated for direct injected or traditional fuel injected engines
TREATS A FULL TANK: Formulated to treat up to 21 gallons of gasoline

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Mubboo Value Score: 5.4/10

Quality9.2/10

based on 4.6/5 customer rating

Popularity0.5/10

1,136 reviews, top 70% in Fuel Additives

Value6.6/10

priced below 66% of Fuel Additives

How it stacks up

Rated 4.6/5 — better than 23% of 53 Fuel Additives we track. Mid-tier pricing at $10.99.

Head-to-Head vs Category Leader

	K&N	Lucas Oil (Leader)
Price	$10.99	$9.89
Rating	4.6/5	4.8/5
Reviews	1,136	24,615
Mubboo Score	5.4/10	9.0/10

The category leader Lucas Oil 10003 Fuel Treatment - 1 Quart offers better ratings at $9.89.

Quick Specs

Color: Black
Unit Count: 16.0 Fluid Ounces
Item Weight: 0.95 Pounds
Part Number: 99-2050
Manufacturer: K&N Engineering, Inc.
Model Number: 99-2050
Item Type Name: Fuel System Cleaner, 16oz
Item Dimensions: 3.87 x 2.15 x 9.75 inches

What reviewers say

Synthesized from 40 reviews · 100% verified purchases.

For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.