2001 Audi S4 is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your S4. We have 1942 Exhaust Systems available for your 2001 S4 all priced at lowest possible price backed by FREE SHIPPING.
We price match competitors ... Shop with confidence.
XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.
XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
MagnaFlow Custom weld on tips come in many sizes and styles completing most any exhasut system with the just the right finishing touch.
MagnaFlow Custom weld on tips come in many sizes and styles completing most any exhasut system with the just the right finishing touch.
MagnaFlow Custom weld on tips come in many sizes and styles completing most any exhasut system with the just the right finishing touch.
MACH Force-Xp Universal Clamp-on Exhaust Tip Carbon Fiber 2-1/2 IN Inlet x 4 IN Outlet x 7 IN L
XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project
Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project