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MAD BMW S55 3.5" Fat Boy Downpipes M2C/M3/M4 W/ Flex SectionWe are proud to introduce the MAD S55 Fat Boy 3. 5" Downpipes. These are the largest BMW S55 M2 M3 M4 downpipes on the market. Upgrade from the stock S55 downpipes to the MAD 3. 5" S55 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW 3. 5" S55 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a

or Walbro 535 fuel pump(s) capable of flowing up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant

Individual 1/8″ NPT Ports on the Top of Each Cylinder Runner for Nitrous or Meth Injection Allows for Even Spray Distribution and Control for Maximum Performance and Engine Protection

Use of stage 2 software upgrade is strongly recommended

with EDC2015+ BMW X4 (F26)

Installation is simple only requiring 3M double sided tape and can be reversed at anytime without causing any damage to your vehicle

0l L6 N52 Sedan GAS 160 KW 2996 ccm 6 AWD 2006 BMW 330xi Base 3

2l L6 S54 Coupe GAS 235 KW 3246 ccm 6 RWD 2006 BMW M3 Base 3

or organic

2015-2019 VW GTI without front collision warning system in lower grille

Fits All Chargers and Challengers

This trunk spoiler fits all 2011+ 5 series and M5 applications

making your vehicle stand out both on the road and online

Exchange/Return Notes