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Ktuned Discount Codes – Verified Deals & Offers | November 2026

Save on K-Series Fuel Rail, Fuel Line Kit with 105 manually verified Ktuned offers, updated for November 2026. Browse the latest Discount Codes, working discounts, and exclusive deals, with expired offers removed regularly.

Ktuned offers 0 coupon codes and 105 deals as of November 2026. Today's top offer: Ktuned RSX Throttle Bodies Discounted by 10%. Codes are verified and updated daily.

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10%
OFF
Ktuned RSX Throttle Bodies Discounted by 10%

Boost your engine's performance with a Ktuned RSX throttle body. Get 10% off these essential upgrades today.

10%
OFF
AN Fittings Now 10% Off for Your Custom Fuel System Build

Complete your custom fuel system with AN Fittings, now 10% off, providing secure and leak-free connections.

20%
OFF
Ethanol Content Sensor Available with 20% Price Reduction
15%
OFF
Fuel Line Kit Discounted by 15% for a Complete Setup
10%
OFF
Fuel Filter Reduced by 10% for Cleaner Fuel System Operation
25%
OFF
Fuel Pressure Regulator Available with 25% Savings Today

Achieve precise fuel pressure control with a Fuel Pressure Regulator, available with 25% savings.

50%
OFF
Injector Dynamics Reduced by $50 for Precision Fueling
40%
OFF
AN Fittings Discounted by 40% for Your Custom Fuel System
12%
OFF
Ethanol Content Sensor Discounted by 12% for E85 Monitoring
30%
OFF
Fuel Filter Reduced by 30% This Week for Cleaner Fuel
15%
OFF
Fuel Pressure Gauge Accuracy for 15% Less

Monitor your fuel system precisely with 15% off on our fuel pressure gauges.

10%
OFF
Fuel Pump Offer: 10% Off High-Performance Fuel Delivery

Power your build with a high-performance Fuel Pump, now 10% off. Ensure consistent and reliable fuel flow.

22%
OFF
AN Fittings Available with 22% Savings on Your Next Build
12%
OFF
Fuel Pressure Gauge Reduced by 12% This Week for Monitoring

Keep an eye on your fuel system with a Fuel Pressure Gauge, reduced by 12% this week.

15%
OFF
Fuel Pressure Regulator Discounted by 15% This Week
30%
OFF
Fuel Filter Reduced by 30% This Week for Cleaner Fuel

Ensure optimal engine health with a Fuel Filter, now reduced by 30% this week.

35%
OFF
K-Swap Fuel System Components 35% Off
20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less, for improved fuel delivery and performance.

15%
OFF
Fuel Pressure Regulator Discounted by 15% This Week Only
10%
OFF
Walbro Fuel Pump Now 10% Off for Reliable Fuel Delivery
10%
OFF
Walbro Fuel Pump Deals with 10% Savings

Power your engine reliably with 10% savings on Walbro Fuel Pumps.

40%
OFF
E85 Fuel Line Systems Now 40% Cheaper

Upgrade to E85 compatibility with 40% off on our E85 fuel line systems.

30%
OFF
Walbro Fuel Pump Now 30% Off for High-Performance Applications

Power your high-performance build with a Walbro Fuel Pump, now 30% off, providing reliable and increased fuel flow.

22%
OFF
AN Fittings Available with 22% Savings for Secure Connections

Ensure leak-free fuel system connections with AN Fittings, available with 22% savings, for a professional setup.

20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less, ensuring optimal fuel delivery and improved engine response.

100%
OFF
K-Swap Fuel System Now $100 Off for Comprehensive Upgrades

Achieve a complete K-Swap with $100 off our K-Swap Fuel System, offering everything you need.

30%
OFF
Fuel Pressure Regulator Available with 30% Savings Today

Achieve precise fuel pressure control with a Fuel Pressure Regulator, available with 30% savings. Optimize your engine's performance.

50%
OFF
Injector Dynamics Reduced by $50 This Week Only

Upgrade to high-performance Injector Dynamics with $50 off. Experience superior fuel atomization and engine tuning.

35%
OFF
K-Swap Fuel System Reduced by 35% for Complete Conversion
20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less. Experience improved fuel delivery and performance.

20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less, ensuring optimal fuel delivery and improved power.

35%
OFF
K-Swap Fuel System Components 35% Discounted Today
28%
OFF
B-Series Fuel Rail Discounted by 28% for Optimized Flow
18%
OFF
E85 Fuel Line Discounted by 18% for Ethanol Compatibility
25%
OFF
Fuel Pump Available with 25% Savings on All Models

Experience improved fuel delivery with 25% savings on our high-quality Fuel Pumps, ensuring reliable engine performance.

25%
OFF
Walbro Fuel Pump Available with 25% Savings on Power

Experience reliable fuel delivery with a Walbro Fuel Pump, available with 25% savings, perfect for high-performance applications.

15%
OFF
PTFE Fuel Line Now 15% Off for Superior Chemical Resistance
30%
OFF
Injector Dynamics Upgrades Discounted by 30%
20%
OFF
AN Fittings Available with 20% Price Drop

Secure your fuel lines with a 20% price drop on all AN fittings.

30%
OFF
Fuel Filter Reduced by 30% This Week for Cleaner Fuel Flow
28%
OFF
B-Series Fuel Rail Now 28% Less for Optimized Fuel Delivery

Enhance your B-Series engine's fuel system with a B-Series Fuel Rail, now 28% less.

22%
OFF
Walbro Fuel Pump Now 22% Less for Uncompromised Performance

Secure a Walbro Fuel Pump, now 22% less, for superior fuel delivery and engine reliability.

20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less. Experience improved fuel delivery and engine response.

18%
OFF
K-Swap Fuel System Reduced by 18% for Engine Swaps

Streamline your K-Swap project with a K-Swap Fuel System, reduced by 18%. All components for a complete fuel setup.

15%
OFF
Fuel Pressure Regulator Reduced by 15% Today

Achieve precise fuel delivery with a 15% discount on all fuel pressure regulators.

28%
OFF
B-Series Fuel Rail Discounted by 28% for Improved Fuel Flow
15%
OFF
Fuel Line Kit Discounted by 15% for Your Project Build
22%
OFF
AN Fittings Available with 22% Savings on All Sizes

Secure your fuel system connections with AN Fittings, available with 22% savings on all sizes.

17%
OFF
Fuel Pressure Gauge Offer: 17% Off for Accurate Monitoring

Monitor your fuel system accurately with a Fuel Pressure Gauge, now 17% off. Essential for tuning and diagnostics.

25%
OFF
Fuel Filter Discounted by 25% for Cleaner Fuel Delivery

Ensure your engine receives clean fuel with a Fuel Filter, discounted by 25%. Protect your injectors and fuel system.

25%
OFF
Fuel Pressure Regulator Available with 25% Savings Today

Achieve precise fuel pressure control with a Fuel Pressure Regulator, available with 25% savings.

25%
OFF
Fuel Filter Performance Boost at 25% Less

Ensure clean fuel flow with 25% off our high-quality fuel filters.

35%
OFF
K-Swap Fuel System Now 35% Less for Complete Engine Swaps

Simplify your K-Swap project with a K-Swap Fuel System, now 35% less, providing all essential components for a seamless conversion.

15%
OFF
Fuel Line Kit Discounted by 15% for Reliable Fueling
10%
OFF
Walbro Fuel Pump Now 10% Off for Reliable Fuel Supply

Secure dependable fuel flow with 10% off all Walbro Fuel Pumps, a trusted name in performance.

15%
OFF
Fuel Line Kit Reduced by 15% for Your Project Build
28%
OFF
E85 Fuel Line Available with 28% Savings for Ethanol Builds

Equip your E85 setup with an E85 Fuel Line, available with 28% savings. Built for ethanol compatibility.

20%
OFF
Fuel Pressure Gauge Now 20% Cheaper for Accurate Monitoring

Monitor your fuel system's health with a Fuel Pressure Gauge, now 20% cheaper. Essential for tuning and diagnostics.

20%
OFF
K-Series Fuel Rail Upgrades Now 20% Off

Upgrade your K-series engine with a new fuel rail, now discounted by 20%.

50%
OFF
Fuel Line Kit Savings of $50 This Week
12%
OFF
Fuel Pressure Gauge Reduced by 12% for Accurate Monitoring
15%
OFF
Fuel Line Kit Discounted by 15% for Reliable Fuel Delivery
12%
OFF
AN Fittings Reduced by 12% This Week for Secure Connections
15%
OFF
B-Series Fuel Rail Discounted by 15% for Honda Enthusiasts
40%
OFF
B-Series Fuel Rail 40% Less for Optimized Fuel Flow

Enhance your B-Series engine's fuel delivery with a B-Series Fuel Rail, now 40% less, for improved performance.

10%
OFF
Walbro Fuel Pump Now 10% Off for Reliable Fuel Supply
18%
OFF
E85 Fuel Line Discounted by 18% for Ethanol Compatibility

Upgrade your fuel system for E85 with an E85 Fuel Line, discounted by 18%.

40%
OFF
AN Fittings Available with 40% Savings on All Sizes

Complete your fuel system with 40% savings on our durable AN Fittings, ensuring leak-free connections.

35%
OFF
E85 Fuel Line Available with 35% Price Reduction

Safely run E85 fuel with an E85 Fuel Line, now with a 35% price reduction. Designed for ethanol compatibility.

20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a K-Series Fuel Rail, now 20% less, for improved fuel delivery and engine response.

10%
OFF
Walbro Fuel Pump Now 10% Off for Reliable Fuel Delivery

Ensure consistent fuel supply with a Walbro Fuel Pump, now 10% off.

18%
OFF
E85 Fuel Line Discounted by 18% for Ethanol Applications
30%
OFF
E85 Fuel Line Discounted by 30% for Ethanol Applications
20%
OFF
Fuel Pressure Gauge Reduced by 20% This Month
30%
OFF
E85 Fuel Line Reduced by 30% for Ethanol Compatibility
25%
OFF
Fuel Surge Tank Discounted by 25% for Consistent Fuel Supply

Ensure consistent fuel supply under demanding conditions with a Fuel Surge Tank, discounted by 25%.

35%
OFF
K-Swap Fuel System Now 35% Less for Comprehensive Upgrades

Transform your K-Swap project with a K-Swap Fuel System, now 35% less.

25%
OFF
Fuel Pressure Regulator Available with 25% Savings This Week

Achieve precise fuel pressure control with a Fuel Pressure Regulator, available with 25% savings, for consistent engine performance.

18%
OFF
Injector Dynamics Discounted by 18% for Precision Fueling
20%
OFF
K-Series Fuel Rail Now 20% Less for Enhanced Performance

Upgrade your K-Series engine with a 20% reduction on our premium K-Series Fuel Rail, designed for optimal fuel delivery.

25%
OFF
Fuel Pressure Regulator Available with 25% Savings Today

Achieve precise fuel pressure control with a Fuel Pressure Regulator, available with 25% savings. Optimize your engine's tune.

$8
Only
Grab JBtuned Fuel Rail Spacers now for an exclusive $8 offer

Shop K-series Fuel Rail Spacers and obtain this deal at $8 and Boost injector alignment and enjoy improved engine setup with quality-built components.

$15
Only
Ktuned 1/8 NPT to 3/16 Adapter for $15

Upgrade your fuel system with the Ktuned 1/8 NPT to 3/16 Adapter Fitting, now available for just $15. Limited-time offer.

25%
OFF
25% Off Ktuned Adjustable Shifter

Upgrade your shifting experience with 25% off the Ktuned Adjustable Shifter, engineered for precision and performance.

35%
OFF
Ktuned Header Now 35% Less

Boost your engine's power with 35% off the Ktuned Header. This performance upgrade delivers improved exhaust flow for maximum gains.

15%
OFF
Ktuned RSX Throttle Body: 15% Discount Applied

Enhance your engine's response with 15% off the Ktuned RSX Throttle Body. Experience smoother acceleration and better air intake.

40%
OFF
Ktuned Coilovers Discounted by 40%

Achieve superior handling and a custom ride height with Ktuned Coilovers, now discounted by 40%.

20%
OFF
Reduced Pricing on Ktuned Intake by 20%

Improve your engine's airflow and sound with 20% reduced pricing on the Ktuned Intake.

50%
OFF
Lower Costs on Ktuned Clutch Master Cylinder 50%

Experience smoother clutch engagement with 50% lower costs on the Ktuned Clutch Master Cylinder.

10%
OFF
Ktuned Turndown Muffler Now 10% Less

Get a more aggressive exhaust note with 10% less on the Ktuned Turndown Muffler.

60%
OFF
Ktuned Shifter Cables 60% Price Reduction

Upgrade your vehicle with Ktuned adjustable shifter cables, now available at a 60% reduced price for a limited time.

25%
OFF
Ktuned Fuel Rail Priced Lower by 25%

Optimize your fuel delivery with the Ktuned Fuel Rail, now priced lower by 25%.

30%
OFF
30% Off Ktuned Electric Water Pump

Keep your engine running cool with 30% off the Ktuned Electric Water Pump, offering efficient coolant circulation.

25%
OFF
25% Off Ktuned Adjustable Shifter

Upgrade your shifting experience with 25% off the Ktuned Adjustable Shifter. Enjoy precise gear changes and a more engaging drive.

35%
OFF
Ktuned Ram Horn Header Now 35% Less

Boost your engine's performance with 35% savings on the Ktuned Ram Horn Header. Experience improved exhaust flow and power gains.

20%
OFF
Ktuned Coilovers Now 20% Less

Achieve superior handling and a custom stance with Ktuned Coilovers, now 20% less. Perfect for track or street performance.

40%
OFF
Reduced Pricing on Ktuned Intake by 40%

Get 40% off the Ktuned Intake for increased horsepower and torque. Breathe new life into your engine with this performance upgrade.

15%
OFF
Ktuned Shifter Cables Discounted by 15%
50%
OFF
Lower Costs on Ktuned Fuel Rail by 50%

Unlock maximum fuel delivery efficiency with 50% lower costs on the Ktuned Fuel Rail. Essential for high-performance builds.

28%
OFF
Ktuned Race Shifter 28% Off

Experience quicker, more precise shifts with 28% off the Ktuned Race Shifter. Designed for competitive driving.

Customer Reviews

4.6
Average Rating
5
Total Reviews
Faith
★★★★★
3 months ago

Detailed feedback on my order

I placed an order for a Fuel System Combo, which included a K-Series Fuel Rail and an E85 Fuel Line Kit. The website was easy to navigate when ordering, and the product descriptions were clear, especially regarding compatibility. Shipping took about five business days to reach me in California, which was within their estimated timeframe. The packaging was robust, and all components arrived undamaged. I had a quick question about installation for the E85 line, so I used their online chat support. The representative was knowledgeable and provided helpful guidance. The quality of the fuel rail felt solid, and the PTFE Fuel Line was exactly as described, making the installation straightforward. Everything fit perfectly on my engine. Overall, a positive experience and I'm happy with the performance gains.

✓ Reply submitted. Will be published after approval.
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Andre Beaumont
★★★★★
3 months ago

Quick shipping, good parts

Ordered some AN Fittings. They arrived fast. Parts seem high quality. Fitment was perfect. No issues with my order.

✓ Reply submitted. Will be published after approval.
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Nick Y.
★★★★☆
3 months ago

Pretty good, got my stuff fast

I ordered a Walbro Fuel Pump last week, just needed to replace my old one. It shipped out pretty quick, got to me in about 4 days, which was nice. Everything was in the box and looked like it should. No complaints here, it was a straightforward order and everything worked out fine. I'd probably buy from them again if I need something else.

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Ivy
★★★★★
3 months ago

Awesome Fuel Pressure Regulator!

I just got my new Adjustable Fuel Pressure Regulator from JBtuned and it's fantastic! The quality is top-notch, and it was so easy to install. My engine is running so much smoother now. I'm definitely coming back for more parts soon and telling all my car friends about this place. What a great find!

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Priya Nguyen
★★★★☆
4 months ago

Good value on Fuel Line Kit

I was looking to upgrade my K-Series fuel system and compared a few sites. JBtuned had a Fuel Line Kit that was just what I needed, and the price was really competitive. I found a deal for free shipping, which made it an even better value overall. It felt like I got a solid product without overspending, so that was great.

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Ktuned Community Discussion

Share tips, ask questions & help fellow shoppers save more

B
Beth Nguyen
2 months ago

I'm looking at some Injector Dynamics. Are these guaranteed genuine or like, knock-offs people try to pass off?

N Neil Foster 2 months ago
Nah, they're legit. JBtuned sells genuine ID stuff, I've bought from them a few times. Never had an issue.
2
O Omar G. 2 months ago
Definitely real. I think they're an authorized dealer, so you're good there.
3
7 Responses (2)
F
Faith J.
3 months ago

any black friday sales usually pretty good at JBtuned? trying to time a big purchase.

C Chris Whitfield 3 months ago
Oh yeah, they usually have decent Black Friday sales. Definitely worth waiting if you can, usually get 10-15% off and sometimes more on bundles.
1
M Megan M. 3 months ago
I snagged a good deal on Black Friday last year, they usually have something going on for sure. Keep an eye out.
0
7 Responses (2)
S
Sam N.
2 months ago

Hey, thinking of grabbing a full fuel system for my K-swap. How long does shipping usually take to California?

F Faith K. 2 months ago
Mine got to SoCal in about 4-5 business days last month. Not too shabby.
3
K Kate 2 months ago
yeah, usually pretty quick for me in AZ, like under a week. they ship out fast.
3
6 Responses (2)
G
Gwen
3 months ago

Thinking of going with JBtuned for my fuel system, but Hybrid Racing also has some good stuff. Any thoughts on how they compare?

S Sophie Kaur 2 months ago
JBtuned really specializes in fuel systems, so their kits are super dialed for that. Hybrid Racing has more general K-series parts, still good though.
0
D Daisy Walsh 2 months ago
For fuel stuff specifically, JBtuned is usually my go-to. Their component selection is really strong and they know their stuff.
6
6 Responses (2)
P
Paula
2 months ago

Wondering about returns. What if something doesn't fit right or I change my mind after ordering?

T Tom 2 months ago
I returned a fuel pressure gauge once, it was pretty straightforward. Just make sure it's unused and in the original packaging.
4
E Elena Torres 2 months ago
They have a return policy, it's fairly standard. Check their site, but I remember it being pretty chill as long as you act fast.
5
5 Responses (2)
N
Nina A.
2 months ago

Can you stack coupon codes at JBtuned? Got a clearance item and a newsletter sign-up code.

T Tom Lindqvist 2 months ago
Nah, usually only one code works at a time from what I've seen. Tried it once, didn't work out.
2
A Amber Ito 2 months ago
Most places don't let you stack. You'll likely have to pick the better discount.
1
3 Responses (2)
T
Tara
2 months ago

What's the deal with their military discount? Do you just email them or is there a code?

G Greg 2 months ago
I think you usually have to verify your status somehow, like through a service. It's not just a public code.
1
R Renee Beaumont 2 months ago
Yeah, they got one. You'll probably find more info on their site on how to claim it during checkout or something.
2
2 Responses (2)
M
Megan Y.
3 months ago

Are their fuel lines actually E85 compatible? Don't want to mess up my setup later on.

C Cleo W. 3 months ago
All the PTFE lines I've gotten from them are E85 compatible, that's their whole thing. Should be fine.
0
F Faith 3 months ago
Yep, that's what they're known for. You can run E85 with confidence with their stuff.
6
1 Responses (2)

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