The exhaust. Sometimes the most overlooked aftermarket accessory for your vehicle when considering performance upgrades. Topp Automotive offers both Manta and GSL Fabrication as 2 main options in the exhaust space. Manta have a 100% proven track record of exceptional exhaust systems, with options for street and 4x4, petrol, diesel and hybrid, there is something for everyone. GSL Fabrication have manufacturing excellence when producing their systems. Specializing in the 70 & 200 Series range, their high standards tell the story of the condition of the final product. Being experts in the Landcruiser field, you know you are getting a quality product with GSL, with time, energy and love being put into each of their systems. With options from 3 inches, right up to 5 inches for American trucks, we can find something that fits your budget or client build.