B46/B48 Stainless Steel Downpipe Upgrade [Race Downpipes] M4 Competition

B46/B48 Stainless Steel Downpipe Upgrade [Race Downpipes] M4 CompetitionSpool B46 B48 Downpipe Important Note: Many BMW owners in the US mistakenly assume they have the B48 engine, but all U. S. market 30i models are equipped with the B46 engine. After purchasing, please send an email to customer_service@spoolperformance. us with your VIN to confirm fitment. It is very important for us to verify what engine you have as we have both models in stock. Why upgrade to a downpipe? A downpipe is one of the best bang for your

Please verify your steering wheel design matches product images before purchase

Designed with the discerning BMW driver in mind the V2 evolution elevates the original concept into a statement of luxury and engineering prowess

+ Eliminate the potential failure of stock bushings

The package includes one pair of grilles for both the passenger and driver sides offering a straightforward upgrade that blends sophistication with durability

Improves steering precision and turn-in response

Any questions please reach out

Easy InstallationExterior Components are designed to factory specifications for easy installation and clean fit and finish

Z 750 2004 > 2012 Z 750 R 2011 > 2012 Z 750 S 2005 > 2006 Z 800 2012 > 2013 Z 1000 2003 > 2009

gently wipe with noninvasive wipers

Aluminum alloy base with round ABS core

The F chassis exhaust gives a very unique sound experience to the BMW F chassis platform

Made from real pre-preg 3K twill weave dry carbon fiber