Car Exhaust Upgrade: Why Is It Necessary?

Most used car buying guides or articles are for people buying nice, good condition used cars. This article is for people who have about $1000 to $3000 to spend, need a car NOW, but don’t want to make a BIG mistake. In todays economy likely more people are going to find themselves in this position.

Basically you want similar plugs as stock, but a cooler heat range and a smaller gap. The stock plugs are NGK BKR6EP-11 (2978) and are platinum tipped and have a .044 (1.1mm) gap. The ideal NGK replacement for a modified Supra would be the BKR7E (6097). It is one range cooler (the ‘7’), is non-platinum tipped (the lack of the ‘p’) and has a smaller .0315 gap (lack of the ‘-11’). This plug is also called the NGK 6097 and they are fairly inexpensive. Platinum tipped plugs are not desired for high power applications, Iridium plugs are more preferred. Unfortunately their doesn’t seem to be a BKR8E which might be better for high-HP Supras.

Finally, check the inside of the exhaust pipe. Use your finger to rub around the inside of it. There should always be a tiny bit of something in there but if you rub around in it and your finger comes out black, unless it is a diesel, that’s not a good sign. It usually means it hasn’t been running right and is burning way too much petrol. If it is a diesel, then lots of black stuff is normal.

The Silverado 1500 has recently been awarded the Consumers Digest Best Buy Award. Top that off with its two traditional character traits of quality and dependability, and you have a truck that really raises the bar. Whether at work or at play, Chevy Silverado delivers dependability and style that you can depend on.

Make sure the doors, hood and trunk latch correctly. Open and close everything! Make sure all locks work. Ask yourself, do you want to deal what’s broken? If you don’t care, keep looking.

So the term cat-back refers to all parts of the exhaust system between the outlet of the scrap O2 sensor recycling or cat and the outside air. This usually means a series of pipes, one or more mufflers, and perhaps exhaust tips.

If you want to mount it in the dash, the two most popular places are the Clock location (which holds a 52mm gauge), and the Air Vent beside it (which holds a 60mm gauge). You can also use an A-Pillar gauge pod.

A flickering warning light is serious. A light that is showing a clear pattern of off and on is your worst case scenario light. This likely means you have a severe emission control failure and every time that light flashes your catalytic converter is being damaged by a misfire. This means your catalytic converter is overheating and can start a car fire. Pull over and get towed. This is not a time to try and make it a few miles to your destination.

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