MK7 GTI CATTED DOWNPIPE30 Day Money Back Guarantee IN STOCK HIGHLIGHTS Increased Power and Torque Faster Turbo Spool Improved Exhaust Note PROFILE The ARM MK7 GTI Catted Downpipe is an essential upgrade if you're looking to get the most from your Gen 3 EA888 equipped GTI. The stock downpipe is built with a dense catalyst that hinders exhaust flow on your EA888 engine, causing higher back pressure, increasing turbo lag and causing your turbo to work harder. Replacing your

The only components of this engine cover that are not carbon is the clear coat

Even with the Resonated ARM F87 M2 Competition Downpipes installed on your stock-tune S55

These connections ensure that all of the boost your turbo is making reaches the engine

but it does not include a tune

This option allows the N63 engine to draw in cooler air than the standard engine bay setup can offer

5" inside diameter intake runners

the ARM N54 135i charge pipe connects to the throttle body using a precision CNC machined connection which is secured by the OEM metal C-Clip

This is the preferred location of injection for many S55 tuners

The next section of the ARM S55 Midpipe Upgrade transitions again to a Y-pipe

the ARM N63R downpipes mount up to the turbos and midpipes with the same precision as you would expect from the factory N63R/N63B downpipes

Installation of the ARM F30 335i FMIC upgrade requires no cutting

Combine the over-sized core with the ultra-dense fin packs of the 1K FMIC and you have one of the best performing intercoolers available for the E-Series BMW