As far as a price for the rebuild, I find that the $9.5k quote is excessive. I honestly would have had another engine installed and fooled around with the concept of having the second one built/optimized. 03-05-2009 10:19 AM #18. Monchichi8. Choose single or dual turbo kits from diesel performance leaders like Banks Power and BD Diesel. Plus, we have high-boost kits for Honda applications, too! Our turbo kits are engineered to deliver up to 18 psi of boost, provide outstanding low-end torque with minimal spool-up time, and can support in excess of 600 horsepower depending on the kit. Flow diagrams are so readily available for 1.8t's and 2.0t's. As I learn more about how everything functions on the 4.2, my aim will be improving/deleting. Starting with the flapper hose and following it all back as much as possible. Several of the mini hoses are ready to crack, so tackling it all at once is the plan. The Audi S4 doesn’t have a good reputation when it comes to reliability. RepairPal gave it an underwhelming reliability score of only 2.0 out of 5.0. The S4 is known to have a lot of issues like a failed thermostat, turbocharger failure, engine oil leaks, and premature brake wear, among others. 1992-1994 S4 2.2L Turbo DOHC I-5 (227hp): AAN 2000-2002 (B5) S4 2.7L Bi-Turbo DOHC V6 (250hp): APB 2004-2005 (B6) S4 4.2L NA DOHC V8 (340hp): BHF 2002-2003 (C5) S6 4.2L NA DOHC V8 (340hp): AWN, BBD 1994-1995 RS2 2.2L Turbo DOHC I-5 (315hp): ADU 2000-2001 RS4 2.7L Bi-Turbo DOHC V6 (380hp): ASJ, AZR 2002-2004 RS6 4.2L Bi-Turbo DOHC V8 (450hp Whipple 140AX based twin screw supercharger for the Audi B8 RS5 4.2 V8. LEARN MORE . D3 S8 - V10 Whipple 175AX based twin screw supercharger for the Audi D3 S8 5.2 V10. Prod.# Audi B6 B7 S4 4.2 V8. XS-POWER 2.5" S4 DOWNPIPES, AVANT , QUATTRO , B6 B7 4.2L V8; THESE INCLUDE 200 cell high flow cats, and no pre-cats, so you can still pass inspection. SSAC Piggy Pipes are the best sounding, free flowing pipes around for the money - and why spend $1700 !!! for OTHER BRANDS for the same thing .. YOU KIDDING OR WHAT Save up to $4,458 on one of 549 used 2005 Audi S4s near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. .

audi s4 4.2 v8 turbo kit