Scope of delivery: - GTRS Turbocharger Kit for Audi A4 1.8T B5 or B6 Passat 1.8T - Oil lines, gaskets, clamps, and screws - see also photoProduct description: - Precisely fitting turbocharger with GT28RS housing group 739548-5009S up to 330 hp, compatible with the original exhaust manifold or upgrade exhaust manifold part no. 230146 and with the original downpipe, as well as precisely fitting up to the mass air flow sensor and the boost pressure line. The software must be adjusted in any case. Starting at 300 hp, reinforced connecting rod bearings should be used, and starting at approx. 350 hp, forged pistons and H-shaft connecting rods should also be used.Fits: - Audi A4 1.8T B5 and B6 150-180 hp - Audi A6 1.8T B5 and B6 150-180 hp - Passat 1.8T B5 and B6 150-180 hpPlease note that the installation of this item constitutes a modification that invalidates the vehicle’s roadworthiness approval under the StVZO. Use on public roads is not permitted.The turbo kit may be registered in accordance with §21 StVZO following successful emissions, noise, and performance testing.