Borla Cat-Back Exhaust System - EC-Type (1014015) _Silicon The 20-Amp Relay kit is

The 20-Amp Relay kit is specifically designed for use with AEM’s High Flow In-Tank Fuel Pumps and other electric fuel pumps and ensures that the pumps perform at their rated flow levels

Angle cut (Riveted)

The performance matches the famous BORLA systems of the past but with a unique muffler and exhaust configuration canceling additional high frequency sound waves

6-bolt down pipe flange / T3 flange

The carbon-fibre tailpipes have been perfectly crafted and designed to fit beautifully within the optional carbon-fibre diffuser

Borla Cat-Back Exhaust System - EC-Type (1014015) _Silicon The 20-Amp Relay kit isBorla EC Type Cat Back Exhaust Sustem for 2005 2009 Ford Mustang GT 4. 6L V8 & Shelby GT500 5. 4L V8 Automatic Manual Transmission Rear Wheel Drive 2 Door EC Type Approved. (1014015) Upgrading your factory exhaust system to a Borla stainless steel performance exhaust system with a more efficient and less restrictive design can improve sound (adding more enjoyment driving your vehicle) and increase engine horsepower and torque throughout the RPM range