Subaru WRX STI Exhaust Systems

1999 Subaru WRX STI is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your WRX STI. We have 1921 Exhaust Systems available for your 1999 WRX STI all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


What Year Is Your Subaru WRX STI


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Kooks Stock Style Big Block Chevy Flange Mild Steel Header Flange - 1-7/8" Primaries
Kooks Stock Style Big Block Chevy Flange Mild Steel Header Flange - 1-7/8" Primaries
Universal Part | Part #: 7039
Highlights: Natural; Mild Steel
Price: $55.95
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Kooks Ford VooDoo Flange - 3/8" Thick Stainless Steel
Kooks Ford VooDoo Flange - 3/8" Thick Stainless Steel
Universal Part | Part #: 70-036
Highlights: Race Car; Ford 5.2L; 304 Stainless Steel; Round; 0.375"
Price: $81.95
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Kooks 3" 2-Bolt Collector/Exhaust Flange. 3/8" Thick Stainless Steel Steel.
Kooks 3" 2-Bolt Collector/Exhaust Flange. 3/8" Thick Stainless Steel Steel.
Universal Part | Part #: 7107-S
Price: $30.95
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MBRP 30.5" Chambered Aluminized Steel Muffler (3" ID Single Inlet, 2.5" ID Dual Outlet)
MBRP 30.5" Chambered Aluminized Steel Muffler (3" ID Single Inlet, 2.5" ID Dual Outlet)
Universal Part | Part #: GP122107

3" ID inlet/dual 2.5" ID outlet, 30.5" Chambered Muffler, AL

Highlights: Aluminized Steel; Canada; 3.0 Inch; 30.0 Inch; 2.5 Inch
Price: $159.99
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Kooks Ford 5.0L Coyote Header Flange 3/8" Thick Stainless Steel Ports for 1-3/4" Primaries.
Kooks Ford 5.0L Coyote Header Flange 3/8" Thick Stainless Steel Ports for 1-3/4" Primaries.
Universal Part | Part #: 7029-S-1750-003
Price: $79.95
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Kooks 2-1/2" 2-Bolt Exhaust Flange 3/8" Thick Mild Steel.
Kooks 2-1/2" 2-Bolt Exhaust Flange 3/8" Thick Mild Steel.
Universal Part | Part #: 7105
Price: $31.95
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Kooks Small Block Ford Header Flange - 2" Inline Bolt Pattern
Kooks Small Block Ford Header Flange - 2" Inline Bolt Pattern
Universal Part | Part #: 7013-AS
Price: $79.95
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Kooks 1-5/8" 304 Stainless Steel 45 Degree Bend
Kooks 1-5/8" 304 Stainless Steel 45 Degree Bend
Universal Part | Part #: 45-163-16-304-SS
Highlights: No; Race Car; Stainless Steel; 304 Stainless Steel; 1.625"; Yes; Stainless Steel; Performance; 1.625"; No; 1.625"; 45 Degree; 2.5"; 16-gauge
Price: $56.95
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Kooks 1-7/8" x 3-1/2" Stainless Steel Slip-On Collector
Kooks 1-7/8" x 3-1/2" Stainless Steel Slip-On Collector
Universal Part | Part #: 9906S
Highlights: Natural; No; 304 Stainless Steel; Natural; 1.875"; 3.5"; 4; No
Price: $197.95
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Kooks Small Block Ford Header Flange 3" Inline Bolt Pattern- 3/8" Thick Steel
Kooks Small Block Ford Header Flange 3" Inline Bolt Pattern- 3/8" Thick Steel
Universal Part | Part #: 7051-A
Price: $54.95
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MBRP 1.5" Aluminized Steel Exhaust Pipe (45 Degree Bend, 12" Legs)
MBRP 1.5" Aluminized Steel Exhaust Pipe (45 Degree Bend, 12" Legs)
Universal Part | Part #: MB2039

1.5" - 45˚ Bend, 12" legs, AL

Highlights: Aluminized Steel; 45 Degrees; Canada; 12.0 Inch; 1.5 Inch
Price: $51.95
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Kooks 2-1/4" x 4" Mild Steel Slip-On Collector
Kooks 2-1/4" x 4" Mild Steel Slip-On Collector
Universal Part | Part #: 9912
Highlights: Natural; No; Mild Steel; Natural; 2.25"; 4"; 4; No
Price: $129.95
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Kooks HEMI Left Side Header Flange 3/8" Thick Stainless Steel D Shaped Port for 1-7/8"
Kooks HEMI Left Side Header Flange 3/8" Thick Stainless Steel D Shaped Port for 1-7/8"
Universal Part | Part #: 7062-SL
Price: $84.95
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Kooks Ford 5.0L Coyote Header Flange 3/8" Thick Stainless Steel Ports for 2" Primaries.
Kooks Ford 5.0L Coyote Header Flange 3/8" Thick Stainless Steel Ports for 2" Primaries.
Universal Part | Part #: 7029-S-2000
Price: $89.95
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Kooks Small Block Ford Header Flange - Diagonal Bolt Pattern
Kooks Small Block Ford Header Flange - Diagonal Bolt Pattern
Universal Part | Part #: 7015-SPECIAL
Price: $84.95
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MBRP 2.25" Stainless Steel Exhaust Pipe (45 Degree Bend, 12" Legs)
MBRP 2.25" Stainless Steel Exhaust Pipe (45 Degree Bend, 12" Legs)
Universal Part | Part #: MB2001

2.25" - 45˚ Bend, 12" legs, AL

Highlights: Aluminized Steel; 45 Degrees; Canada; 12.0 Inch; 2.25 Inch
Price: $55.95
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MBRP 2.5" Aluminized Steel Exhaust Pipe (180 Degree Bend, 9" Legs)
MBRP 2.5" Aluminized Steel Exhaust Pipe (180 Degree Bend, 9" Legs)
Universal Part | Part #: MB2008

2.5" - 180˚ Bend, 9" legs, AL

Highlights: Aluminized Steel; 180 Degrees; Canada; 9.0 Inch; 2.5 Inch
Price: $59.95
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MBRP 3.5" Aluminized Steel Exhaust Pipe (45 and 180 Degree Dual Bend, 7.5"/15"/12.5" Legs)
MBRP 3.5" Aluminized Steel Exhaust Pipe (45 and 180 Degree Dual Bend, 7.5"/15"/12.5" Legs)
Universal Part | Part #: MB2028

3.5" - 45˚ and 180˚ Dual Bends, AL

Highlights: Aluminized Steel; 180 Degrees; Canada; 3.5 Inch
Price: $79.99
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Showing 1855 to 1872 of 1944 (108 Pages)
Showing 1855 to 1872 of 1944 (108 Pages)
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