An internal combustion engine uses oxygen just as fires require oxygen to keep aflame. There is no internal oxygen tank in a car for this purpose, as that wouldn’t be very efficient. Instead, Volvo S40 vehicle manufacturers equip cars with intakes that bring air inside to the Volvo S40 engine directly. Volvo S40 Air intakes are designed to provide the least inhibited route possible for the air to reach from outside the Volvo S40 car all the way to the engine, though stock versions aren’t always the most effective.
For that reason, many car owners turn to aftermarket Volvo S40 air intakes to increase the effectiveness and efficiency of their vehicles’ intake capacity. The greater the amount of oxygen supplied to the engine, the more power it can produce. Volvo S40 Cold air has more oxygen, for instance, so Volvo S40 cold air intakes have become popular Volvo S40 intake upgrades. Other upgrade types focus more on greater Volvo S40 air intake capacity period, but either way, you’ll end up with a better performing engine using an upgraded Volvo S40 air intake system in your car.
Andrew P. - (gettysburg, PA)
good coilover kit for my IS, significantly improved the handling on cornering and not too stiff for daily use. highly recommended.
Donald W. - (Fremont, CA)
The quality of the kit is decent, however, it is not as flexible as it advertised. Thanks ILB
Headake - (San Diego, CA)
Super fast shipping!!
If you have a newer vehicle, especially European, you have to spend a little extra money on one of these CANBUS kits. Ive been through several other types of HID kits and my lights would flicker, or one side wouldnt turn on, and I would get the warning light on my dash. As soon as I installed this kit, my problems were gone. I'm very happy with this kit - MUCH brighter than any of the other kits Id previously purchased.
llano - (Salt Lake City,utah)
Great exhuast! Sounds great! Got a little white smoke and a funny smell for the first day or so.
Amir F. - (Martinsville, OH)
easy enough to install by myself in 20min. double side tape is not included so I had to get it from the store. Overall a good purchase. fast shipping
42 reviews 4.5 out of 5 stars