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BMW M3/M4 Catted S55 Downpipes

$1,749.00
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Product Description

We are extremely excited to present our new M3/M4 3" Hi-Flow catted  downpipes! These TRUE 3" downpipes will add significant power and virtually eliminate turbo lag, making the fabled S55 engine even more responsive!

Our Hi-Flow 3" Catted Downpipes Feature:

Typical gains WITHOUT tuning in the 25-30whp range!
100% hand crafted in the USA from premium 304 Stainless Steel - flanges and O2 bungs included!
CNC'd 304 Stainless cat-back flanges, and CNC'd 304 Stainless V-Band flanges.
100% TIG welded, argon back-purged.
Grade 10.9 Metric Hardware (145,000PSI tensile strength, C32-C39 Rockwell, Zinc Plated), and Nord-Lock positive locking re-usable washers included.
Factory location O2 bungs
Available with a 2000°F ceramic coating. Coatings come with a 3 year warranty against corrosion and rust to original owner.
Lifetime warranty against any manufacturing defects given to original owner. 

BMW M3, M4 Catted 3in High flow downpipes S55

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