2018 Audi S4 Exhaust Systems

2018 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 1925 Exhaust Systems available for your 2018 S4 all priced at lowest possible price backed by FREE SHIPPING. 

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2018-2022 Audi S4 MBRP 2.5" Stainless Steel Resonator-Back Exhaust System w/ Quad Carbon Fiber Tip (Quad Rear Exit)
2018-2022 Audi S4 MBRP 2.5" Stainless Steel Resonator-Back Exhaust System w/ Quad Carbon Fiber Tip (Quad Rear Exit)
Vehicle Specific | Part #: S46073CF

T304 Stainless Steel, 2.5" Resonator Back, Dual Rear, Quad Carbon Fiber Tips.

Fit Note: Prestige; V6; 3.0L; GAS; Turbocharged; Sedan; AWD
Also Fits: 2018-2022 Audi S5
Highlights: T-304 Stainless Steel; Rear; Resonator-Back Exhaust; Yes; Canada; No; Quad Rear Exit; 24; Yes; Dual; Armor Pro; Street Profile; 4.0 Inch; 2.5 Inch; Life Time
Price: $1,364.99
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2018-2020 Audi S4 Borla S-Type Cat-Back Exhaust System with Dual Split Rear Exit
2018-2020 Audi S4 Borla S-Type Cat-Back Exhaust System with Dual Split Rear Exit
Vehicle Specific | Part #: 140740SB
Fit Note: V6; 3.0L; Turbocharged; Coupe / Sedan; AWD
Also Fits: 2018-2020 Audi S5
Highlights: S-Type; All Welded; Cat-Back; Dual Split Rear Exit; T-304 Stainless Steel; No; 1.75"; Brushed T-304 Stainless Steel; 2.5"
Price: $2,815.99
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2018-2022 Audi S4 MBRP 2.5" Stainless Steel Resonator-Back Exhaust System w/ Quad Stainless Steel Tip (Quad Rear Exit)
2018-2022 Audi S4 MBRP 2.5" Stainless Steel Resonator-Back Exhaust System w/ Quad Stainless Steel Tip (Quad Rear Exit)
Vehicle Specific | Part #: S4607304

T304 Stainless Steel, 2.5" Resonator Back, Dual Rear, Quad Tips.

Fit Note: Prestige; V6; 3.0L; GAS; Turbocharged; Sedan; AWD
Also Fits: 2018-2022 Audi S5
Highlights: T-304 Stainless Steel; Rear; Resonator-Back Exhaust; Yes; Canada; No; Quad Rear Exit; 24; Yes; Dual; Armor Pro; Street Profile; 4.0 Inch; 2.5 Inch; Life Time
Price: $1,259.99
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2018-2020 Audi S4 Borla S-Type Cat-Back Exhaust System with Dual Split Rear Exit
2018-2020 Audi S4 Borla S-Type Cat-Back Exhaust System with Dual Split Rear Exit
Vehicle Specific | Part #: 140740
Fit Note: V6; 3.0L; Turbocharged; Coupe / Sedan; AWD
Also Fits: 2018-2020 Audi S5
Highlights: S-Type; All Welded; Cat-Back; Dual Split Rear Exit; T-304 Stainless Steel; No; 1.75"; Polished T-304 Stainless Steel; 2.5"
Price: $2,746.99
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MBRP Stainless Steel Clamp-On Round Rolled Edge Angle Cut Exhaust Tip (5" Inlet, 6" Outlet, 12" Length)
MBRP Stainless Steel Clamp-On Round Rolled Edge Angle Cut Exhaust Tip (5" Inlet, 6" Outlet, 12" Length)
Universal Part | Part #: T5075
Highlights: Stainless Steel; Each; 5"; 6"; 12"; Clamp-On; Round Rolled Edge Angle Cut
Price: $104.99
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Flowmaster Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 842518

Universal Race Muffler is not a direct fit. Some adaptation required.

Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Super 50 Sound Level; Intended only for off-road or race applications; Delta Flow Technology; 409 Stainless Steel Construction; 9.75; 4; 6.5; Stainless Steel; 9.5; 9.5; Pipe Connection; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Offset; 12.5; Oval; Aggressive Sound
Price: $101.95
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Flowmaster Super 10 Muffler 409S - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Flowmaster Super 10 Muffler 409S - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 842515
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Super 50 Sound Level; Intended only for off-road or race applications; Delta Flow Technology; 409 Stainless Steel Construction; 9.75; 4; 6.5; Stainless Steel; 9.5; 9.5; Pipe Connection; 2.5; 2.5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 12.5; Oval; Aggressive Sound
Price: $104.95
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MBRP Quiet Tone Aluminized Steel Muffler
MBRP Quiet Tone Aluminized Steel Muffler
Universal Part | Part #: M1004A
Highlights: Aluminized Steel; 6"; 24"; 4"; 4"; 30"
Price: $244.99
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MBRP Stainless Steel Clamp-On Round Double Wall Angle Cut Exhaust Tip (5" Inlet, 6" Outlet, 12" Length)
MBRP Stainless Steel Clamp-On Round Double Wall Angle Cut Exhaust Tip (5" Inlet, 6" Outlet, 12" Length)
Universal Part | Part #: T5074
Highlights: Stainless Steel; Each; 5"; 6"; 12"; Clamp-On; Round Double Wall Angle Cut
Price: $114.99
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Spec-D Tuning Apexi N1-Style Stainless Steel Muffler with 4" Burnt Tip and Removable Silencer
Spec-D Tuning Apexi N1-Style Stainless Steel Muffler with 4" Burnt Tip and Removable Silencer
Universal Part | Part #: MF-RS310T
Highlights: 2.5"; 4"; Burnt; 12"; 5"; 18.5"
Price: $44.95
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Flowmaster Super 10 Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Flowmaster Super 10 Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Universal Part | Part #: 8430152
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Super 50 Sound Level; Intended only for off-road or race applications; Delta Flow Technology; 409 Stainless Steel Construction; 9.75; 4; 6.5; Stainless Steel; 9.5; 9.5; Pipe Connection; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Dual; 12.5; Oval; Aggressive Sound
Price: $104.95
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Flowmaster Super 10 Muffler 409S - 2.50 Center In / 2.25 Dual Out - Aggressive Sound
Flowmaster Super 10 Muffler 409S - 2.50 Center In / 2.25 Dual Out - Aggressive Sound
Universal Part | Part #: 8425152
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Super 50 sound level; Intended only for off-road or race applications; Delta Flow technology for maximum scavenging effect; 409 stainless steel construction; 9.75; 4; 6.5; 9.5; Pipe Connection; 2.5; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; Dual; 12.5; Oval; Aggressive Sound
Price: $107.95
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Flowmaster Catalytic Converter - Universal - 200 Series - 3.00 in. Inlet/Outlet - 49 State
Flowmaster Catalytic Converter - Universal - 200 Series - 3.00 in. Inlet/Outlet - 49 State
Universal Part | Part #: 2000130

Universal Catalytic Converter Call Customer Service for fitment details

Highlights: Stainless Steel; 3-Way; 12 Months; Universal Fitment (Will Require Welding and Cutting); Metallic substrate material for severe duty applications; Flowmaster Quality; Flowmaster Quality; Meets all EPA 49-state requirements; No; 14; Round; 5; 5; No; No; No; No; Slip-Fit; 3; 3; 1; 5.7L; 6000; Slip-Fit; 3; 3; 1; None; Metal
Price: $108.95
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Flowmaster Super 10 Series Muffler - 2.50 in. IN/OUT - Aggressive Sound
Flowmaster Super 10 Series Muffler - 2.50 in. IN/OUT - Aggressive Sound
Universal Part | Part #: 8425154

Universal

Highlights: Stainless Steel; Lifetime Limited Warranty; Flowmaster Chambered Technology; Made in the USA; 409S Stainless Steel Construction; Super Aggressive Sound; 4.25; 6.5; Stainless Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Dual; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Dual; 12.5; Oval; Aggressive Sound
Price: $107.95
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Flowmaster 50 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Moderate Sound
Flowmaster 50 Delta Flow Muffler - 2.50 Offset In / 2.50 Center Out - Moderate Sound
Universal Part | Part #: 942551
Highlights: Gray; Aluminized Steel; 90 Months; Moderate Sound; Improved Horsepower, Torque and Engine Efficiency; Excellent choice for Street Rod cars and trucks; Mild interior resonance; 2.5; 4; 17; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 23; Oval; Moderate Sound
Price: $173.95
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Flowmaster Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
Flowmaster Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
Universal Part | Part #: 942446
Highlights: Black; Aluminized Steel; 90 Months; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Recent two chamber improvement; Noticeable interior resonance; 9.75; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2.25; 2.25; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; 2.3; Center; Center; 19; Oval; Aggressive Sound
Price: $137.95
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Flowmaster Super 50 Muffler - 2.25 Dual In / 3.00 Center Out - Mild Sound
Flowmaster Super 50 Muffler - 2.25 Dual In / 3.00 Center Out - Mild Sound
Universal Part | Part #: 524553
Highlights: Gray; Aluminized Steel; 90 Months; Mild to stock exterior exhaust tone; Improved Horsepower, Torque and Engine Efficiency; Excellent choice for large displacement vehicles; Minimal interior resonance; 10; 5; 17; Aluminized Steel; 10; 10; Pipe Connection; 2.25; 2.25; Dual; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Center; Center; 23; Oval; Mild Sound
Price: $204.95
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Flowmaster Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Flowmaster Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 953047
Highlights: Black; Aluminized Steel; 90 Months; Deep Aggressive Sound Exhaust Note; Race proven patented Delta Flow technology; Excellent performance on high horsepower vehicles; Noticeable interior resonance; 5; 13.5; Aluminized Steel; 10; 10; 3; 3; Center; Center; 3; 3; Offset; Oval; Aggressive Sound
Price: $153.95
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Showing 1 to 18 of 1925 (107 Pages)
Showing 1 to 18 of 1925 (107 Pages)
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