aFe Mach Force-Xp 3 IN to 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System - Audi 2.0T B9 Q3 (NLA)Up to +17 HP and +20 lbs. x Ft. TQ. Constructed from 3 IN 2 1 2 IN Mandrel Bent 304 Stainless Steel Tubing Utilizes Factory Style Hangers for a Secure Fit 100% MIG Welded for Strength and Durability Performance Gains: This system produced gains of up to +17 HP and +20 lbs. x Ft. TQ., as measured on our in house dyno. 3 IN 2 1 2 IN 304 Stainless Steel Construction: This cat back exhaust system is constructed of 3 IN 2 1 2 IN mandrel bent 304 stainless

Snetterton is one of the fastest race circuits in England and many premier racing cars have been developed on this popular test venue

nobody notices it

These CTS Turbo B9 Audi RS5 High-flow CATS was designed to seamlessly fit in place of your restrictive stock catalytic converter

411-945-279 / 411 945 279 / 411945279

These ARP Head Studs U/Cut (Under Cut) include 12-point nuts and are manufactured by ARP from premium 8740 chrome moly steel and heat treated to 190

OE Part # 4E0407509E / 4E0-407-509-E / 4E0407509 E / 4E0 407 509 E

Included with this kit is the Billet Spherical Dogbone Mount

T304 Stainless Steel 02 bungs with plugs

Stock Torque: 232

OE Part #'s06H-905-601-A / 06H905601 A / 06H 905 601 A / 06H905601A101-905-631-H / 101905631 H / 101 905 631 H / 101905631HNGK Part #'s  1675 / PFR7S8EG

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& 968 (all years)