Lexus IS Models Exhaust Systems

2004 Lexus IS Models is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your IS Models. We have 1932 Exhaust Systems available for your 2004 IS Models all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


What Year Is Your Lexus IS Models


Showing of 1952 Products
Sort By

Spec-D Tuning DTM Style Stainless Steel Muffler with 3" Dual Tips
Spec-D Tuning DTM Style Stainless Steel Muffler with 3" Dual Tips
Universal Part | Part #: MF-RS3DTM
Highlights: Stainless Steel; 2.5"; 3"; 12"; 8"; 22.5"
Price: $50.95
Free Shipping
Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound
Flowmaster 40 Series Muffler - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound
Universal Part | Part #: 42443
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; Excellent Street/Strip and Off Road application; Noticeable Interior Resonance; Aggressive Sound Exterior Exhaust Tone; 2.25; 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; Offset; 19; Oval; Aggressive Sound
Price: $104.95
Free Shipping
Flowmaster Outlaw Muffler 409S - 2.50 in. Center In 2.50 in. Center Out - Aggressive
Flowmaster Outlaw Muffler 409S - 2.50 in. Center In 2.50 in. Center Out - Aggressive
Universal Part | Part #: 815425
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Mandrel bent 16 Gauge Tubing; Premium Quality; Flowmaster Quality; Over the axle pipe with optional tailpipe exit; 4.5; 11; Stainless Steel; 4.5; 4.5; 2.5; 2.5; Center; Center; 2.5; Center; 2.5; Center; Round; Aggressive Sound
Price: $193.95
Free Shipping
Flowmaster Super 44 Series Muffler - 2.5"IN(D)/2.5"OUT(D) 409S
Flowmaster Super 44 Series Muffler - 2.5"IN(D)/2.5"OUT(D) 409S
Universal Part | Part #: 8425454

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Stainless Steel; Lifetime Limited Warranty; Stainless Steel Construction; Made in the USA; Patented Delta Flow Technology; Aggressive Sound Performance Tone; 2.5; 4; 13; Stainless Steel; 9.5; 9.5; Pipe Connection; 2.5; 2.5; Dual; Absorption; Pipe Connection; 2.5; 2.5; Dual; Oval; Aggressive Sound
Price: $139.95
Free Shipping
Flowmaster 50 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Moderate Sound
Flowmaster 50 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Moderate Sound
Universal Part | Part #: 942553
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; Offset; 23; Oval; Moderate Sound
Price: $173.95
Free Shipping
Flowmaster 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Center Out - Aggressive Sound
Flowmaster 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Center Out - Aggressive Sound
Universal Part | Part #: 942041
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; No internal packing to blowout; Excellent Street/Strip and Off Road application; Race proven patented Delta Flow technology; 2; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 2; 2; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2; 2; Center; Center; 19; Oval; Aggressive Sound
Price: $153.95
Free Shipping
Magnaflow 4" Round Center/Center Straight-Through Performance Muffler (3" Inlet, 20" Length)
Magnaflow 4" Round Center/Center Straight-Through Performance Muffler (3" Inlet, 20" Length)
Universal Part | Part #: 14419

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: Polished; 4"; 14"; Stainless Steel; 4"; 3"; 1; Center; Straight-Through; 3"; 1; Center; 20"; Round
Price: $130.95
Free Shipping
Flowmaster Super 40 Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Flowmaster Super 40 Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
Universal Part | Part #: 9530452
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; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Dual; 19.5; Oval; Aggressive Sound
Price: $173.95
Free Shipping
Flowmaster 80 Series Crossflow Muffler, 2.50" IN (O) / OUT (D), 4x9 16 Gauge
Flowmaster 80 Series Crossflow Muffler, 2.50" IN (O) / OUT (D), 4x9 16 Gauge
Universal Part | Part #: 42583

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Gray; Aluminized Steel; 90 Months; Aggressive Sound Exterior Exhaust Tone; The original two chamber design; Cross Flow Applications; Noticeable interior resonance; 9.75; 4; 15; 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; Dual; 21; Oval; Aggressive Sound
Price: $180.95
Free Shipping
Flowmaster Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - Aggressive
Flowmaster Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - Aggressive
Universal Part | Part #: 815425S
Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Polished; Compact Design; High Temperature Ceramic Coating; Embossed Flowmaster logo; 4.5; 6; Stainless Steel; 4.5; 4.5; 2.5; 2.5; Center; Center; 2.5; Center; 2.5; Center; Round; Aggressive Sound
Price: $170.95
Free Shipping
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 #: 842512

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Black; Stainless Steel; Lifetime Limited Warranty; Flowmaster Chambered Technology; Premium Quality; 409S Stainless Steel Construction; Aggressive Sound; 4.25; 6.5; Stainless Steel; 9.8; 9.75; Pipe Connection; 2.5; 2.5; Center; Center; Uses Factory Hangers; Welded Baffle; Pipe Connection; 2.5; 2.5; Offset; 20.5; Oval; Aggressive Sound
Price: $104.95
Free Shipping
Flowmaster Catalytic Converter - Universal - 223 Series - 2.50 in. Inlet/Outlet - 49 State
Flowmaster Catalytic Converter - Universal - 223 Series - 2.50 in. Inlet/Outlet - 49 State
Universal Part | Part #: 2230125

Universal Catalytic Converter Call Customer Service for fitment details

Highlights: Stainless Steel; 3-Way; 12 Months; Universal Fitment (Will Require Welding and Cutting); Excellent flow characteristics; Stainless Steel Construction; Available for a wide variety of applications; Engineered to keep the "MIL" light off; No; 10.5; Round; 4; 4; No; No; No; No; Slip-Fit; 2.5; 2.5; 1; 5.9L; 6000; Slip-Fit; 2.5; 2.5; 1; None; Ceramic
Price: $126.95
Free Shipping
Flowmaster Super 44 Muffler - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Flowmaster Super 44 Muffler - 2.50 Center In / 2.50 Center Out - Aggressive Sound
Universal Part | Part #: 942545
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; 2.5; 2.5; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 2.5; 2.5; Center; Center; 19; Oval; Aggressive Sound
Price: $140.95
Free Shipping
Flowmaster 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Flowmaster 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 43043
Highlights: Gray; Aluminized Steel; 90 Months; Durable fully welded 16 gauge aluminized steel; Excellent Street/Strip and Off Road application; Noticeable interior resonance; Aggressive Sound Exterior Exhaust Tone; 3; 4; 13; Aluminized Steel; 9.8; 9.75; Pipe Connection; 3; 3; Offset; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Offset; 19; Oval; Aggressive Sound
Price: $101.95
Free Shipping
Spec-D Tuning DTM Style Stainless Steel Muffler with 3" Burnt Dual Tips
Spec-D Tuning DTM Style Stainless Steel Muffler with 3" Burnt Dual Tips
Universal Part | Part #: MF-RS3DTT
Highlights: 2.5"; 3"; 12"; 8"; 22.5"
Price: $45.95
Free Shipping
Flowmaster Super 44 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Flowmaster Super 44 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Universal Part | Part #: 943047
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; 3; 3; Center; Center; Uses New Hangers (Not Included); Reflection; Pipe Connection; 3; 3; Offset; 19; Oval; Aggressive Sound
Price: $140.95
Free Shipping
Flowmaster 40 Series Muffler - 2.25" IN(C)/OUT(O) - Aggressive Sound
Flowmaster 40 Series Muffler - 2.25" IN(C)/OUT(O) - Aggressive Sound
Universal Part | Part #: 42442

Universal Muffler - Not a direct fit. Some adaptation required.

Highlights: Aluminized Steel; 36 Months; 4; 13; 9.5; Pipe connection; 2.5; Dual; 2.5; Dual; Oval; Aggressive
Price: $107.95
Free Shipping
Spec-D Tuning Fireball Style Stainless Steel Muffler with 4" Titanium Burnt Tip and Removable Silencer
Spec-D Tuning Fireball Style Stainless Steel Muffler with 4" Titanium Burnt Tip and Removable Silencer
Universal Part | Part #: MF-RS341T
Highlights: 2.5"; 4"; 12"; 5"; 16.87"
Price: $44.95
Free Shipping
Showing 55 to 72 of 1952 (109 Pages)
Showing 55 to 72 of 1952 (109 Pages)
Visa Mastercard American Express Discover Paypal Google Pay Apple Pay