Downpipe FOR NISSAN GTR 35

    Top Tuning Technical requirement :

    1: All materials are stainless steel 304, and wall thickness 1.5mm.
    2: All flanges must be leveled after welding. The welding seam should not be larger than 0.3mm.
    3: Surface brushed or polished treatment.
    4: The inside of the finished pipe must be ensured that there is no oil, burrs and dust.