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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Flowmaster Super 40 Muffler - 2.25 Center In / 2.25 Center Out - Aggressive Sound
Flowmaster Super 40 Muffler - 2.25 Center In / 2.25 Center Out - Aggressive Sound
Universal Part | Part #: 952445
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; 10; 5; 13.5; Aluminized Steel; 10; 10; Pipe Connection; 2.25; 2.25; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.25; 2.3; Center; Center; 19.5; Oval; Aggressive Sound
Price: $161.95
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Gibson MWA Superflow Stainless Steel Oval Exhaust Muffler (Inlet 3", Outlet 3", Length 20")
Gibson MWA Superflow Stainless Steel Oval Exhaust Muffler (Inlet 3", Outlet 3", Length 20")
Universal Part | Part #: BM0105
Highlights: Stainless Steel; Offset / Offset; 3"; 3"; 4"; 9"; 14"; 20"; Oval; Single
Price: $153.95
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Magnaflow 8" Oval Offset/Dual (Transverse) Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Magnaflow 8" Oval Offset/Dual (Transverse) Straight-Through Performance Muffler (2.5" Inlet, 24" Length)
Universal Part | Part #: 12265

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

Highlights: Satin; 5"; 18"; Stainless Steel; 8"; 2.5"; 1; Offset; Straight-Through; 2.5"; 2; Dual; 24"; Oval
Price: $173.00
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Fleece Performance Stack Cover - 7 inch - Straigh Cut
Fleece Performance Stack Cover - 7 inch - Straigh Cut
Universal Part | Part #: FPE-STK-CVR-7-S
Highlights: Constructed from heavy duty vinyl; band clamp to ensure a tight fit
Price: $54.95
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MBRP Stainless Steel Muffler Delete Pipe
MBRP Stainless Steel Muffler Delete Pipe
Universal Part | Part #: MDS9531
Highlights: 409 Stainless Steel; 5"; 5"; 31"
Price: $164.99
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Borla Polished Stainless Steel Round Rolled-Edge Angle Cut Single Outlet Exhaust Tip with Logo (4" Inlet, 5" Tip Size, 14" Length)
Borla Polished Stainless Steel Round Rolled-Edge Angle Cut Single Outlet Exhaust Tip with Logo (4" Inlet, 5" Tip Size, 14" Length)
Universal Part | Part #: 20249
Highlights: All Welded; 4"; 4"; 4"; T-304 Stainless Steel; No; Single Outlet; 14"; Round Angle Cut; Polished T-304 Stainless Steel; 5"
Price: $93.95
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Flowmaster 50 H.D. Muffler - 3.50 Offset In / 3.50 Offset Out - Moderate Sound
Flowmaster 50 H.D. Muffler - 3.50 Offset In / 3.50 Offset Out - Moderate Sound
Universal Part | Part #: 953558
Highlights: Gray; Aluminized Steel; 90 Months; Moderate Sound; Improved Horsepower, Torque and Engine Efficiency; Recommended for Dodge Ram Hemi and diesel trucks; Mild interior resonance; 9.75; 5; 18; Aluminized Steel; 10; 10; Pipe Connection; 3.5; 3.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3.5; 3.5; Offset; 23; Oval; Moderate Sound
Price: $277.95
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Borla ProXS Series Center/Center Muffler (2.5" Tubing, 19" Length)
Borla ProXS Series Center/Center Muffler (2.5" Tubing, 19" Length)
Universal Part | Part #: 40364
Highlights: 4"; 14"; 9.5"; All Welded; Pipe; 2.5"; Center; Single Center; 2.5"; T-304 Stainless Steel; No; No; 2.5"; Center; Single Center Outlet; 19"; Oval
Price: $115.99
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Fleece Performance Stack Cover - 5 inch - 45 Degree Miter
Fleece Performance Stack Cover - 5 inch - 45 Degree Miter
Universal Part | Part #: FPE-STK-CVR-5-45
Highlights: Constructed from heavy duty vinyl; band clamp to ensure a tight fit
Price: $52.95
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Spec-D Tuning 76mm Catback Exhaust Gasket
Spec-D Tuning 76mm Catback Exhaust Gasket
Universal Part | Part #: FLD-005

CATBACK EXHAUST GASKET 76MM

Highlights: 76mm
Price: $24.95
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Spec-D Tuning 2.5" Inlet 310 Style Spiral Muffler
Spec-D Tuning 2.5" Inlet 310 Style Spiral Muffler
Universal Part | Part #: MF-SS310

310 STYLE SPIRAL MUFFLER 2.5 INCH INLET

Price: $44.95
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Magnaflow 11" Oval Dual/Dual Straight-Through Performance Muffler (2.5" Inlet, 28" Length)
Magnaflow 11" Oval Dual/Dual Straight-Through Performance Muffler (2.5" Inlet, 28" Length)
Universal Part | Part #: 12568

MagnaFlow universal diesel pipes are available for Cummins, Powerstroke and Duramax applications and can accommodate all the needs of a custom exhaust.

Highlights: Satin; 5"; 22"; Stainless Steel; 11"; 2.5"; 2; Dual; Straight-Through; 2.5"; 2; Dual; 28"; Oval
Price: $271.00
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Flowmaster 80 Series Muffler - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound
Flowmaster 80 Series Muffler - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound
Universal Part | Part #: 42582

Fits 1967 to 1974 Chevrolet Camaro and Pontiac Firebird.

Highlights: Gray; Aluminized Steel; 90 Months; Aggressive Sound Exterior Exhaust Tone; Cross Flow Applications; The original two chamber design; Noticeable interior resonance; 9.75; 4; 18; Aluminized 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; 24; Oval; Aggressive Sound
Price: $255.95
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Flowmaster 40 Delta Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster 40 Delta Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Universal Part | Part #: 842543
Highlights: Gray; Stainless Steel; Lifetime Limited Warranty; Durable fully welded 409 stainless steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 2.5; 4; 13; Stainless Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Offset; 19; Oval; Aggressive Sound
Price: $168.95
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Flowmaster Alcohol Race Muffler - 3.50 Offset In / 3.00 Same Side Out - Aggressive Sound
Flowmaster Alcohol Race Muffler - 3.50 Offset In / 3.00 Same Side Out - Aggressive Sound
Universal Part | Part #: 53545-10
Highlights: Gray; Aluminized Steel; Lifetime Limited Warranty; Durable fully welded 16 gauge aluminized steel - two chamber race muffler; Race proven patented Delta Flow technology; No internal packing to blowout; Good decibel reduction over open headers; 12; 5; 13.5; Aluminized Steel; 10; 10; Pipe Connection; 3.5; 3.5; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Same Side; 22; Oval; Aggressive Sound
Price: $128.95
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Spec-D Tuning 5" Inlet - 8" Outlet Black Muffler Tip
Spec-D Tuning 5" Inlet - 8" Outlet Black Muffler Tip
Universal Part | Part #: MF-TP0508D-BS-TD

EXHAUST TIP- 5 inch INLET, 8 inch OUTLET

Price: $56.95
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Magnaflow Stainless Steel Round Angle Cut Rolled Edge Single Wall Clamp-On Polished Exhaust Tip (5" Inlet, 6" Outlet, 13"Length)
Magnaflow Stainless Steel Round Angle Cut Rolled Edge Single Wall Clamp-On Polished Exhaust Tip (5" Inlet, 6" Outlet, 13"Length)
Universal Part | Part #: 35215

MagnaFlow Custom weld on tips come in many sizes and styles completing most any exhasut system with the just the right finishing touch.

Highlights: Polished; Clamp-On; Angle; Rolled; 5"; 6"; 1; 13"; No; Round; Single
Price: $145.00
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Magnaflow Stainless Steel Round Rolled Edge Angle Cut Weld-On Dual Polished Exhaust Tip (2.25" Inlet, 3" Outlet, 10" Length)
Magnaflow Stainless Steel Round Rolled Edge Angle Cut Weld-On Dual Polished Exhaust Tip (2.25" Inlet, 3" Outlet, 10" Length)
Universal Part | Part #: 35168

MagnaFlow Custom weld on tips come in many sizes and styles completing most any exhasut system with the just the right finishing touch.

Highlights: Polished; Weld-On; Angle; Rolled; 2.25"; 3"; 2; 10"; No; Round; Single
Price: $122.00
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Showing 253 to 270 of 1925 (107 Pages)
Showing 253 to 270 of 1925 (107 Pages)
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