Engineered as the ultimate downpipe solution for your Audi B9 S4 or S5, every detail is maximized to provide the turbo and engine with a completely unrestricted exhaust flow path for up to 45HP & 41TQ (on hybrid turbo setup). The TIG-welded 304 stainless and investment cast body delivers addictive sound, quality finish, effortless install, reliability, and maximized performance for your turbocharged V6.

Features:

• Required to support hybrid turbo ECU calibrations
• High-flow design to support full-bolt on stage 2 power capabilities
• Removes any downpipe restrictions for full available power
• Increases exhaust sound with improved engine & turbo notes
• Improves turbocharger efficiency & speeds up turbo spool
• Thick-wall casting reduces radiant heat in the engine bay
• 200 CPSI performance high-flow catalytic converter
• 304 investment cast downpipe body
• 304 stainless steel downpipe legs & CAT
• Massive 6" downpipe body to dual 2.5" downpipe legs
• Hand TIG-welded for superior reliability and surface finish
• Direct bolt-in factory replacement
• CNC machined v-band and bolt flanges for leak-free operation
• Installs to the stock exhaust or IE Midpipes upgrade

What's Included:

• Integrated Engineering Performance Cast Downpipe