Keith's S4 with Stupid Loud Prototype RSC Exhaust

Keith's S4 with a stupid loud prototype RSC Exhaust that for some reason he likes.

More Videos...

Audi S4 V6T doing extremely LOUD mode and stock quiet mode with Armytrix F1 ver. Exhaust System
Official website: Facebook: Youtube: Inquiry: Armytrix Corp. has established itself as a manufacturer of world class titanium and stainless valvetronic Exhaust system for high-end performance cars. ARMYTRIX R&D team consists of German and Japanese factory engineers and supercar tuning experts, each of them has more than decades of knowledge and experiences in race track and automotive performance industry. The meaning behind the name of "ARMYTRIX" is to armor your vehicle with state-of-the-art engineered Exhaust system for higher level of performance, durability, and intoxicating sensational Exhaust sound. ARMYTRIX has become one of the most desirable valvetronic Exhaust system in the market that truly stands out from rest of others.

S4/RS4 Exhaust Compilation
We got together to do a DIY JHM Header install on a b6 S4. Some of us got tired of watching the guys work, so we decided to go outside and have some fun! For more information on the cars, and to see the motor pull visit the Audi S4/RS4 thread on

Audi B6 S4 Muffler and Resonator Delete Straight Pipe
My S4 after we cut out and replaced the resonators and mufflers with straight tubes.

Audi S4 revs. very exhaust sound. Much good. Many loud.
Audi S4 revs. very Exhaust sound. Much good. Many loud. Audi S4 B6 ( by Toyota Supra 1JZ Twin turbo - 5Zigen Fireball 3'' Exhaust ( by Audi A4 B6 ( by 1967 Ford Mustang Dual Exhaust ( by Ford Falcon XR6 NA ( by Volkswagen Golf R32 and Audi S5 ( by 1982 Ford Mustang GT ( by Audi R8 Quicksilver Exhaust ( by Toyota Soarer V8 Lukey Mufflers ( by Volvo S70 T5 ( by Picture (thumbnail): by purchase-a-B6-B7-S4-Here-is-what-you-need-to-know