I have Stillen supercharger, Z/G headers, cat-back exhaust, side skirts/curtains, and spoiler.






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Ordered a intake for my Infiniti q50S redsport from Stillen because of their R&D they do on their products so I paid a premium for it for... Read More
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Thank you Stillen! Can't speak on the negative reviews but no problems here as I recently purchased some Stillen performance parts includ... Read More
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Best performance parts money can buy for anything Nissan/Infiniti and forever the only ones I’ll continue to use in my Q50
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★★★★★ ★★★★★
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Robin Moses you are the Man!! Ty for all the help! Got my parts!! Always a pleasure too do business with you Cali boys!!
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Purchased cat-back system for my Infiniti 1 year ago. I am very happy with build quality, sound, and performance.
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★★★★★ ★★★★★
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Purchased a Cold Air Intake for my 2017 Nissan Maxima and I absolutely love it! Was debating between Stillen and K&N but hands down would... Read More
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After doing my research and shopping around, I realized that Stillen was the top choice for me. I purchased the Gen 3 Long Tube Cold Air ... Read More
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I have a 16 Q50 red sport. I have seen a mixture of positive n very negative comments about Stillen. I am looking at an air intake system... Read More
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I have Stillen supercharger, Z/G headers, cat-back exhaust, side skirts/curtains, and spoiler.
-
Ordered a intake for my Infiniti q50S redsport from Stillen because of their R&D they do on their products so I paid a premium for it for... Read More
-
Thank you Stillen! Can't speak on the negative reviews but no problems here as I recently purchased some Stillen performance parts includ... Read More
-
Best performance parts money can buy for anything Nissan/Infiniti and forever the only ones I’ll continue to use in my Q50
-
★★★★★ ★★★★★
-
Robin Moses you are the Man!! Ty for all the help! Got my parts!! Always a pleasure too do business with you Cali boys!!
-
Purchased cat-back system for my Infiniti 1 year ago. I am very happy with build quality, sound, and performance.
-
★★★★★ ★★★★★
-
Purchased a Cold Air Intake for my 2017 Nissan Maxima and I absolutely love it! Was debating between Stillen and K&N but hands down would... Read More
-
After doing my research and shopping around, I realized that Stillen was the top choice for me. I purchased the Gen 3 Long Tube Cold Air ... Read More
-
I have a 16 Q50 red sport. I have seen a mixture of positive n very negative comments about Stillen. I am looking at an air intake system... Read More
-
I have Stillen supercharger, Z/G headers, cat-back exhaust, side skirts/curtains, and spoiler.
-
Ordered a intake for my Infiniti q50S redsport from Stillen because of their R&D they do on their products so I paid a premium for it for... Read More
-
Thank you Stillen! Can't speak on the negative reviews but no problems here as I recently purchased some Stillen performance parts includ... Read More
Let customers speak for us
from 247 reviewsQuick shipping! Installation instructions were clear and easy to follow. I was able to remove and install the new exhaust myself. Getting the old exhaust pipe over the rear axle was a little challenging due to clearance. I used the vehicle car jack to lift the driver side rear tire off the ground and dropped down the spare tire to get that piece out. Install of the new exhaust went very quick. Start to finish was about 1 hour. New exhaust system sounds so much better than the factory. Cold start is a little noisier but it tapers down quickly. Nice mellow tone without overdoing the interior noise. I am very glad I went with the Stillen!

Purchased for my 2025 Chevy Silverado RST. Easy install and fit was purfect with no issues. Quality of product is excellent. The scoop is heavy duty unlike the factory. Would definitely recommend. No real notice if it improved MPG or HP with other intake products since it only been installed for a couple hundred miles.

Quality, Easy to install, and improves air flow to stock airbox

Everything was easy and straightforward. Only slight issue I had was the clear lid to the box, the holes didnt match up 100%. So, I had to drill them just a little bit to get the bolts to line up and run through. That being said, very easy fix and took no time at all to do so.
Overall, love the extra induction sound, BOV increase sound, throttle response, and the tid bit more power. I would recommend others to purchase this CAI.

Perfect fit!

Fits great. Looks stock. Haven’t driven enough to notice any difference.

Contento con el producto

Super easy to install and great product and material. Stillen is the way to go .
![2019-2023 Nissan Maxima Rear Diffuser [MATTE BLACK] - KB12846MB](https://cdn.shopify.com/s/files/1/0144/4275/8230/products/KB12846_IMG00_2019_Nissan_Maxima_Rear_Diffuser_v1_879f38ec-c59a-4ddc-8900-5d5bb637298e_70x70.jpg?v=1658282149)
Installed this in my 2018 Tundra and I love it. The truck definitely feels more torquey and the sound is great. I have not noticed much of a difference in MPG. I will be recommending this CAI to all.
![2014-21 Toyota Tundra Trupower by STILLEN Cold Air Intake [Oiled] TP403202](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/TP403202_IMG01_2014-2020_Toyota_Tundra_TruPower_Stage_2_Cold_Air_Intake_Oiled_v1_70x70.jpg?v=1698708012)
Radiator installed over the weekend on 2006 Titan. Replaced all cracked hoses with silicone replacements. Years of overheating issues in the Phoenix desert. So far so good with a week of long commutes. No issues sitting in traffic for extended periods of time. Only wish I would have gotten one years ago instead of sticking with cheap plastic oem replacements twice before.

Night & day difference over stock!! Forgot I was driving jeep wrangler 😅

Have had mine going on 2 years now and looks great, especially now that I have the Stillen Strut tower brace.
![Limited Edition- Stillen Signature Series Infiniti/Nissan Battery Tie Down Brace [Black] - 102020B](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/102020B_Nissan_Infiniti_Battery_Tie_Down_Brace_001_70x70.jpg?v=1691103822)
Changed the whole look of my car and the material looks even better in person . Super durable I highly recommend
![2019-2023 Nissan Maxima Front Lip Splitter [Matte Black] - KB12845MB](https://cdn.shopify.com/s/files/1/0144/4275/8230/products/KB12845_IMG_00_2019_Nissan_Maxima_Front_Splitter_v1_101e3ced-179a-4c8b-9103-25dde1c7ee45_70x70.jpg?v=1633564579)
Took a minute for them to make it, but it sounds beautiful. You can hear the turbos spool up and the rumble of the VR30 engine. The metal has a weird frequency resonance with 2500 and 5500 RPMs where it gets louder, but I personally like it. I've only gotten compliments from the sound so far. Also, the tips poke out, so it looks incredible compared to stock exhaust.

Easy install, zero issues on 24 trd OR. Works great, noticeable difference.
