Supersprint Downpipe kit (Replaces catalytic converter) BMW E81 - All models (For N54 engine conversion)

Product features:

• Manufactured from premium 100% AISI 304 stainless steel for superior corrosion resistance and longevity.
• Precision mandrel bent and TIG/MIG welded for optimal exhaust flow and structural integrity.
• Designed and engineered specifically for the BMW E81 - All models (For N54 engine conversion).
• Part of the Supersprint Downpipe 100% Inox exhaust system.
• For racing and track use only — not road legal.
• Includes threaded bung for oxygen sensor.

Suitable for:

• BMW E81 - All models (For N54 engine conversion)
• BMW E82 Coupè 135i Bi-Turbo (306 Hp N54 Engine) '07 -> 04/2010
• BMW E82 Coupè 135i Bi-Turbo (306 Hp N54) '07 -> 04/2010 (For 1M body conversion)
• BMW E87 - All models (For N54 engine conversion)
• BMW E88 Cabrio 135i Bi-Turbo (306 Hp N54 Engine) 2007 -> 04/2010
• BMW E46 - All models (For N54 Bi-Turbo engine conversion)
• BMW E46/5 325ti Compact (For N54 Bi-Turbo engine conversion)
• BMW E90 Sedan 335i Bi-Turbo (306 Hp N54 Engine) '06 -> 04/2010
• BMW E90 Sedan 335i Bi-turbo (500 Hp -> 800 Hp N54 engine conversion) '06 -> 04/2010
• BMW E91 Touring 335i Bi-Turbo (306 Hp N54 Engine) 2006 -> 2008
• BMW E91 Touring 335i Bi-turbo (500 Hp -> 800 Hp N54 engine conversion) '06 -> 04/2010
• BMW E92 Coupè 335i Bi-turbo (306 Hp N54 Engine) '06 -> 04/2010
• BMW E92 Coupè 335is Bi-turbo (326 Hp N54 Engine) '10 -> '13
• BMW E92 Coupè 335is Bi-turbo (325 Hp N54T Engine - USA) '09 -> '13
• BMW E92 Coupè 335i Bi-turbo (500 Hp -> 800 Hp N54 engine conversion) '06 -> 04/2012
• BMW E92 Coupè 335is Bi-turbo ( Mod. USA N54T 500 Hp -> 800 Hp engine conversion) '09 -> '13
• BMW E93 Cabrio 335i Bi-turbo (306 Hp N54 Engine) '06 -> 04/2010
• BMW E93 Cabrio 335is Bi-turbo (326 Hp N54 Engine) '10 -> '13
• BMW E93 Cabrio 335is Bi-turbo (325 Hp N54T Engine - USA) '09 -> '13
• BMW E93 Cabrio 335i Bi-turbo (500 Hp -> 800 Hp N54 engine conversion) '06 -> 04/2012
• BMW E93 Cabrio 335is Bi-turbo ( Mod. USA N54T 500 Hp -> 800 Hp engine conversion) '09 -> '13
• BMW Z4 Roadster / Coupé (For N54 Bi-Turbo engine conversion)
• BMW E36 All models (For N54 Bi-Turbo engine conversion)
• BMW Z3 Roadster / Coupè - All models (For N54 Bi-Turbo engine conversion)
• BMW E36 M3 (For N54 Bi-Turbo engine conversion)
• BMW E82 1 Series M Coupé (340 Hp) 2011 -> 2012
• ALPINA B3 (E90) 3.0i Bi-Turbo (360 Hp) 2007 -> 2010
• ALPINA B3 S (E90) 3.0i Bi-Turbo (400 Hp) 2010 -> 2013
• ALPINA B3 (E91) 3.0i Bi-Turbo (360 Hp) 2007 -> 2010
• ALPINA B3 S (E91) 3.0i Bi-Turbo (400 Hp) 2010 -> 2013
• ALPINA B3 (E92) 3.0i Bi-Turbo (360 Hp) 2007 -> 2010
• ALPINA B3 S (E92) 3.0i Bi-Turbo (400 Hp) 2010 -> 2013
• ALPINA B3 GT3 (E92) 3.0i Bi-Turbo (408 Hp) 2011 ->
• ALPINA B3 (E93) 3.0i Bi-Turbo (360 Hp) 2007 -> 2010
• ALPINA B3 S (E93) 3.0i Bi-Turbo (400 Hp) 2010 -> 2013