Bottle Style Resonator, 3" inlet/outlet x 12" long 1999 Pontiac Firebird and increases rear end stability

and increases rear end stability

With these shocks you can get exactly the ride you want along with high performance handling all at an unbeatable price

The installation process is quick and easy

These are offset/offset Mufflers that are designed to fit many car and truck applications including most Ford Mustang applications

The 550 lb springs are ideal for small block handling and all big block applications except for drag racing

Bottle Style Resonator, 3" inlet/outlet x 12" long 1999 Pontiac Firebird and increases rear end stabilityVibrant Performance standard bottle style resonators are round bodied, densely packed with our premium multi layered sound absorption materials, and manufactured from 304 stainless steel and CP1 Titanium for optimum durability and corrosion resistance. Vibrant Performance standard bottle style resonators have a sleek design that is optimal for easy installation and work to maximize the reduction of exhaust db levels.