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Description
STAGE 1 PERFORMANCE UPGRADE TO SUIT NISSAN PATHFINDER R51 VQ40DE 4.0L V6This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of Nissan Pathfinder fitted with the VQ40DE V6 engine. Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re establishing throttle response and bottom end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and
This Mace ETC and K&N's air filter have been put together to meet the performance upgrade requirements of Nissan Pathfinder fitted with the VQ40DE V6 engine.
Mace ETC eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re-establishing throttle response and bottom-end acceleration while improving low torque. There are different performance modes in this ETC that helps you to increase throttle response and improve overall drivability.
The K&N replacement air filter is designed to boost the horsepower and acceleration while providing superior filtration. It is washable and reusable and is custom designed to fit into your existing factory air box. This filter lasts up to 80,000km before cleaning is required depending upon driving conditions. It comes with K&N million mile limited warranty and it will not void vehicle warranty.
Modes of ETC:
- Sport Mode: 9 stages of increased accelerator response suited for spirited driving.
- Economy Mode: Reduced accelerator response suited for economy driving around towns and on highways.
- Normal Mode: Factory throttle response.
ETC Features:
- OBD.II free, meaning power is sourced directly from the pedal and additional plugs are no longer required.
- Temperature ranges from -40 to 125 °C.
- Previously set stage numbers are retained thanks to Power off memory function.
- Digital signal output AD/DA up to 10 Bit, efficiently responds to the original throttle signal.
Air Filter Specifications:
- Air filter shape: Panel
- Outside length: 11.375 in (289 mm)
- Outside width: 9.625 in (244 mm)
- Height: 1 in (25 mm)
Contents:
- 1 X K&N Air filter
- 1 X Mace ETC
Vehicle Fitment Guide
Notes:
- Installation of the Mace ETC is quite simple and the modification is completely reversible within a couple of minutes. All kits include simple fitting and calibration instructions.
- The air filter included in this package can be purchased separately through another listing.
- The ETC included in this package can be purchased separately through another listing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Soft yet supportive
Size: Queen
I have been through 4 other pillows in the last year trying to find one that supports but isn't too firm.
I gave this one a shot and am really loving it. It's soft, comfortable, supports without hurting my neck or shoulder. I am short so some pillows are too high for me. I'm mainly a siide sleeper, this pillow is great as I can place my head anywhere not just middle of very end like the other pillows I was trying. I can sink into it a little yet still have support and it doesn't crush down.
It comes with more filler but haven't needed it. I put it in the dryer on ultra delicate when I first got it and it fluffed nicely.
Very happy with this product as I am now getting more sleep.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Absolutely in love with this pillow!
Size: King, Size: King
I’m so excited about this purchase — this pillow turned out to be amazing! I’m a side sleeper most of the time, and the way the edges are designed makes it incredibly comfortable and supportive. What really surprised me is that even when I slept on my back (which I normally don’t like), I felt super comfortable. I actually woke up still lying on my back — and that never happens! I know it’s healthier to sleep that way, so I’m really happy about that and hope it becomes a new habit.
Before this, I tried a few regular memory foam pillows, but they always felt too firm and my neck would get tired. This one, with the shredded memory foam, is so soft and cozy — it molds perfectly without feeling lumpy. The King size is perfect too — my little Pomeranian loves to rest his tiny head next to mine on the pillow. I don’t know why he does that, but it’s adorable.
And I have to mention the packaging — the box was so high-quality and beautifully made that I just couldn’t throw it away. I’m definitely keeping it to store something in.
Overall, I’m super happy with this pillow and will be ordering a second one soon. I only got one to test it out, but now I’m totally convinced. Thank you for such an awesome product!
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Reviewed in the United States on October 26, 2025
★★★★★ 4
Great pillow !
Size: Queen
This pillow met my expectations. Very comfortable with the right amount of firmness. Love the shape as well.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
This is everything you could want in a good pillow for a good sleep
Size: Queen
This is truly the very best pillow on the planet. So really comfortable, doesn't loose its shape and for a good sleep, this is it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
This is Truly the Best Pillow!
Size: Queen
This is the side sleeper version of the best pillow out there.
My 26 year old son was always complaining about his pillow and his neck and back hurting. About every year I’d buy him the next “best” pillow promising to be the best but they never worked for him. I read an article saying THIS pillow was the “Goldilocks” of pillows. So since he sleeps in all positions, I got him the regular shaped pillow. The next morning after his first night with the pillow, he came out of his room talking about how wonderful his pillow is. Same thing the next morning. And the next. And the next. Then I thought to myself, my current pillow is the best I’ve had but I’m not in love with it. But I’m a side sleeper so I purchased this particular contoured pillow for me. NOW I UNDERSTOOD WHAT MY SON WAS TALKING ABOUT. I became the person who went on and on about my pillow. Until my husband told me to replace his with one of these side sleeping versions for himself. And he loves it. Then we got a regular pillow (for those who sleep in all positions, but this same company) for our guests. My best friend came to visit, immediately noticed the pillow upgrade from previous visits and when she returned home, she purchased one for herself.
This pillow is like a feather pillow except it is filled with tiny squares of memory foam. And it comes with an extra pack of stuffing, so you can add or remove stuffing to customize it perfectly for you. None of us in the house added filling, and my son removed some that came with his pillow. I also sleep with a body pillow and have for years. And I was wishing this came in a body pillow version until I realized I could make my own. I bought a zippered body pillow case. The larger size. I think it was 54 inches long. And I bought a king size pillow and used the extra stuffing pack that came with that pillow along with the 4 packs that came with the other pillows that we didn’t use. Though you could probably do the same thing with two standard size pillows. These pillows are on the expensive side but they go on sale during every holiday. That’s when I purchase them. Oh and my body pillow is HEAVEN. Between that and the pillow, I spend my nights in fluffy cloud goodness.
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Reviewed in the United States on May 31, 2026