RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-911--991-2---2015-2019--turbo-s-esr2128417 RENNtech Stainless Steel Exhaust Headers

RENNtech Stainless Steel Exhaust Headers for M113 - 55 AMG Engines

670 wtq @ 4

5 Series (E39) 530 d (HP: 184 | Year: 98 > 00)

Stainless Steel Sport Mufflers: Made out of 2 3/4 inch diameter tubing our sport mufflers are lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure

RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-911--991-2---2015-2019--turbo-s-esr2128417 RENNtech Stainless Steel Exhaust HeadersRENNtech ECU Upgrade for 221 S 600. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB FT. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning