Stainless Steel downpipe fits BMW / Supra F30 130, 140, 240, 340, 440, 540, 640, 740 variants 3.0T engines. Includes stainless steel heat barrier pre-welded to the downpipe. Includes flanges and mounting hardware for a 100% bolt on fit requiring no modifications at all. Although the downpipe is manufactured to look like there is a Catalytic converter build in, it is supplied catless.