muffler, 220X169X260, DUAL 2.5" IN/OUT APR

Removal of the factory exhaust resonator on Audi B9/B9.5 S4 3.0T, replaced by an integrated X-Pipe ready to install. Gruffer, more exotic sound, with weight savings from removing the heavy factory resonator.

Downpipe gasket and hardware kit for installing a test pipe or high-flow manifold on Audi A4/A5/Q5/Allroad B8 2.0 TFSI.

High-flow motorsport catalytic converter, direct fit as a replacement for the restrictive original catalytic converter, compatible with stock and stock-type turbos and exhausts. Measured gains of up to +27 hp and +24 ft-lbs at the wheel on a stock turbo.

C8 RS6/RS7 Cat-back Kit APR

Part number: DSD5255. Material: 316L stainless steel. Fits: Porsche Cayenne; Audi Q7 (CATA (224) CCMA (239) CNRB (239) CLZB (245)); VW Touareg (CASD (204) CATA (224) CNRB (239) CASA (240)). Replaces OEM part no.: Genuine VW: 7L8254800N / Genuine Porsche

muffler, 220X169X286 PERF-PACK APR

Factory bottle resonator delete for Audi C8 RS6/RS7 4.0TT, replaced by high-flow mid-pipes ready to install. Rougher, more raspy sound under hard acceleration. Installation effort: moderate.

Gasket and hardware kit for installing a high-flow manifold or test pipe on Audi B8 S4 3.0 TFSI engine.

Motorsport stainless steel catalytic converter set, direct fit as a replacement for the restrictive original catalytic converters, on Audi RS5 B9/B9.5 2.9 TFSI. Increased power and torque, reduced turbo response time, enhanced exhaust sound.

Cat-back exhaust without rear or front muffler, APR for Golf 7 GTI