Exhaust Tips by MBRP. MBRP Turndown Exhaust Tip Features - The MBRP 5 Turndown Exhaust Tip fits any exit pipe with a 5 diameter-designed for beefy diesel systems. Large and in-charge 5 inlet size leads straight through and down to a 5 outlet diameter. Crafted from high-strength 100% T-304 stainless steel for longevity and corrosion resistance. The MBRP 5 Turndown Exhaust Tip sports a mirror-polished shine that puts chrome to shame. Showcases the classic turndown exhaust tip style that can also be mounted as a turn-out. MBRP Turndown Exhaust Tip, MBRP Turndown Tips. For the top selection of MBRP Exhaust, Mufflers & Tips shop online today. The MBRP Turndown Exhaust Tip, MBRP Turndown Tips will improve and personalize your vehicle. Exhaust Tips by MBRP - selected by many auto enthusiasts in the top automotive discussion forums. MBRP Turndown Exhaust Tip for your vehicle will deliver the results you are looking for! MBRP Turndown Exhaust Tip - Exhaust, Mufflers & Tips - Exhaust Tips.