extractors

Hi all I have a 2010 model 4.8 and looking to get some extractors that only have the 2 o2 sensors, ive heard that the pre cat sensor's are responsible for the air/fuel ratio and just wondering what my options are for the post cat sensors, can I remove them?

So I have been looking for ways to improve the fuel economy of my 4.8. Currently getting 21l/100 in the GU3 manual on the highway. I figured that if I could achieve more power without altering the tune I would effectively save fuel. I ran the stock Patrol on a dyno for a base line starting...

Hi all, I have a '93 GQ TB42 petrol/gas carby. All in all a great car, but I'm getting a bit fed up with how gutless it is (as in planting the accelerator is just a leg work-out!). Short of ditching it for a turbo diesel, what other options do I have to up the power? e.g. engine conversion...

Hi, quick question from a newbie. DO EXTRACTORS REQUIRE THE ORIGINAL EXHAUST MANIFOLD HEAT SHIELD OR SIMILAR REINSTALLED? I've searched posts no luck, please direct me to answer if it published before. WORRIED ABOUT BONNETT PAINT BUBBLING ETC. Just fitted (all of ebay) a RECARB Holley...

Hi guys, I have a 93 maverick ULP/LPG carby, want to get a new set of extractor anda new exhaust to give it a bit more kick, and increase fuel economy. just wondering what a half decent brand/type is and how much i would be looking at roughly. cheers