{"id":9805,"date":"2024-11-08T12:02:10","date_gmt":"2024-11-08T02:02:10","guid":{"rendered":"https:\/\/www.dubaddiction.com.au\/shop\/?post_type=product&p=9805"},"modified":"2026-01-21T22:21:13","modified_gmt":"2026-01-21T12:21:13","slug":"ie-performance-cast-downpipe-for-audi-b9-b9-5-s4-s5-3-0t","status":"publish","type":"product","link":"https:\/\/www.dubaddiction.com.au\/shop\/product\/ie-performance-cast-downpipe-for-audi-b9-b9-5-s4-s5-3-0t\/","title":{"rendered":"IE Performance Cast Downpipe For Audi B9\/B9.5 S4 & S5 3.0T"},"content":{"rendered":"
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Engineered as the ultimate downpipe solution for your Audi B9\/B9.5 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.<\/p>\n<\/div>\n<\/div>\n

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HIGH-QUALITY
\nCAST BODY<\/strong>
\nDOWNPIPE<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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PERFORMANCE
\n200 CPSI<\/strong>
\nCATALYTIC CONVERTER<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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MAXIMIZED FOR
\nHYBRID & STOCK<\/strong>
\nTURBOCHARGERS<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    DESIGN<\/span><\/div>\n
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    PERFORMANCE<\/span><\/div>\n<\/li>\n
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    INSTALL & FITMENT<\/span><\/div>\n<\/li>\n<\/ul>\n
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    LEADING FEATURES<\/h1>\n<\/div>\n<\/div>\n
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    • Required to support hybrid turbo ECU calibrations<\/li>\n
    • High-flow design to support full-bolt on stage 2 power capabilities<\/li>\n
    • Removes any downpipe restrictions for full available power<\/li>\n
    • Increases exhaust sound with improved engine & turbo notes<\/li>\n
    • Improves turbocharger efficiency & speeds up turbo spool<\/li>\n
    • Thick-wall casting reduces radiant heat in the engine bay<\/li>\n
    • 200 CPSI performance high-flow catalytic converter<\/li>\n
    • 304 investment cast downpipe body<\/li>\n
    • 304 stainless steel downpipe legs & CAT<\/li>\n
    • Massive 6″ downpipe body to dual 2.5″ downpipe legs<\/li>\n
    • Hand TIG-welded for superior reliability and surface finish<\/li>\n
    • Direct bolt-in factory replacement<\/li>\n
    • CNC machined v-band and bolt flanges for leak-free operation<\/li>\n
    • Installs to the stock exhaust or IE Midpipes upgrade<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
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      *Requires Stage 2 or hybrid turbo ECU tuning<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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      MOTORSPORT SOUND<\/h1>\n<\/div>\n<\/div>\n
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      IE’s unique thick-wall investment castings produce an aggressive, drone-free exhaust note without the “tinny” sound typical on most full stainless body aftermarket options. Enjoy not only a louder exhaust but one with improved engine and turbo notes that will deliver miles of smiles.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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