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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
They are 100% TIG welded by our in house fabricators and built in the USA
75" piping
Slower intake air speeds means reduced throttle response and more turbocharger lag
Fits 2025+ M5 (G90)
Sports Series 4" High Flow Catted Downpipe for the B46 US Spec (4 Cylinder) Engine Finish:Brush Finish They are 100% TIG weldedIntroducing our new Sports Series 4" High Flow Metallic Catted Downpipes for your BMW B46 four cylinder turbo engine! Fits all 2016+ 230i 330i 430i 530i X3 30i X4 30i Z4 30i 20i. The B46 engine is found in all U. S. spec cars. The downpipe is different than the B48 found in the EU Asia spec cars. You must get the correct downpipe for your car as they are not interchangeable. Key Features: Made in the USA! Manufactured in house. Now available for the
