AEM 99-06 Chevy/GMC 5.3/6.0L Silver Brute Force Intake 2011-mazda-3-s-esi1516360 5" diameter Into the muffler

5" diameter Into the muffler with dual 2" out Cat-Back™ system delivers the S-Type II sound which utilizes a muffler design that eliminates sound frequencies that are often associated with resonance or drone

High-temperature continuous-filament fiber (CFF) acoustic material for sound control

or V-band clamp

Advan Full Flat 63mm Center Cap - Black

AEM 99-06 Chevy/GMC 5.3/6.0L Silver Brute Force Intake 2011-mazda-3-s-esi1516360 5" diameter Into the mufflerThe AEM 21 681C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Audi A4 models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box