2009 Cadillac STS Exhaust Systems
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MagnaFlow®OBDII Direct Fit Catalytic ConverterCadillac STS RWD 3.6L Engine Family # 9GMXV03.6053 with LEV Standard / LEV2 Standard 2009, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you...$1,409.00 - $1,410.00 - AP Exhaust®Stainless Steel Direct Fit Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 4.6L 2009, Stainless Steel Direct Fit Exhaust Manifold with Integrated Catalytic Converter by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this...5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles$492.64 - $1,132.71
- CATCO®Direct Fit Catalytic Converter and Pipe AssemblyCadillac STS 3.6L with California Emission / Federal Emission 2009, Catalytic Converter and Pipe Assembly by CATCO®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. Designed and manufactured with innovative fabrication...$421.87
- AP Exhaust®Direct Fit Catalytic ConverterCadillac STS 3.6L 2009, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product...$365.91 - $1,066.34
- Walker®Ultra™ Direct Fit Round Body Catalytic Converter and Pipe AssemblyCadillac STS 3.6L 2009, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With O2 Sensor Port. Walker is an OE supplier to many major nameplate...$339.05 - $346.90
- Davico®Direct Fit Catalytic ConverterCadillac STS 3.6L 2009, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic...$306.29 - $443.46
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorCadillac STS 3.6L 2009, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Body Length: 10". Resonator Overall Length: 14". Resonator Sound: Aggressive / Loud. Resonator Configuration: Center -...$59.99
- Dorman®Cast Iron Natural Exhaust ManifoldCadillac STS 3.6L 2009, Natural Cast Iron Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$111.07 - $111.12
- Walker®Replacement Exhaust KitCadillac STS 3.6L 2009, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$339.05 - $459.12
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterCadillac STS 3.6L 2009, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic...$194.00
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterCadillac STS 3.6L Engine Family # 9GMXV03.6053 2009, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Specifically designed to comply with the California Air...$437.76 - $459.12
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorCadillac STS 3.6L 2009, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Sound: Moderate. Resonator Configuration: Center - Center. The TR Series Resonators are the most popular resonators...$59.99 - $80.99
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerCadillac STS 3.6L 2009, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive /...$149.99
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterCadillac STS 3.6L 2009, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre-Cat O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". If...$476.00 - $484.00
- Davico®Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 4.6L 2009, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its...Helps your vehicle emit harmless gasesDirect OEM replacement$31.58 - $403.43
- AP Exhaust®Replacement Exhaust KitCadillac STS 2009, Replacement Exhaust Kit by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$492.64 - $1,132.71
- AERO Exhaust®Turbine XL Series Round Performance Exhaust Muffler with Integrated ResonatorCadillac STS 3.6L 2009, Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator by AERO Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 20". Muffler Overall Length: 26"....$169.99
- Dorman®Cast Iron Natural Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 4.6L 2009, Natural Cast Iron Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Color: Natural. Header Coating: Uncoated. More like a complete kit than a single part, many of the Exhaust Manifolds include...Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking$438.88 - $640.38
- Eastern Catalytic®ECO GM Direct Fit Catalytic ConverterCadillac STS 3.6L 2009, ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. If you need to replace your failed or damaged catalytic converter, this product is...$367.29
- CATCO®OBDII Universal Fit Round Body Enhanced Catalytic ConverterCadillac STS 3.6L with California Emission / Federal Emission 2009, OBDII Enhanced Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With 1 Driver Side O2...$172.60
- Eastern Catalytic®ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 4.6L 2009, ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern Catalytic®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically...Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor$471.27 - $479.64
- MagnaFlow®Heavy Metal Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 2009, Heavy Metal Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.25". Color: Silver. Header Coating: Uncoated. If your car...Reduces harmful emissionsPhysically part of the exhaust header/manifold assembly$623.00 - $634.00
- iD Select®ECO GM Direct Fit Catalytic ConverterCadillac STS 3.6L 2009, ECO GM Catalytic Converter by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD...$378.04Save: 10%$340.23
- CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic ConverterCadillac STS 3.6L with California Emission / Federal Emission 2009, Select Plus Tech Series OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2...$279.65
- MagnaFlow®OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 2009, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.25". Color: Silver. Header Coating: Uncoated. If your car...Reduces harmful emissionsPhysically part of the exhaust header/manifold assembly$654.00 - $665.00
- iD Select®ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterCadillac STS 2009, ECO GM Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select. It’s built to OEM...Direct OEM replacement for your malfunctioning exhaust partMade to deliver the ultimate in quality, reliability, and value$483.34 - $549.32Save: 10%$435.01 - $494.39
- Walker®Exhaust Pipe Flange GasketCadillac STS 3.6L 2009, Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you...Makes installation quick and easyOptimal OE-style fit and quality$6.54 - $17.69
- Fel-Pro®Exhaust Manifold Gasket SetCadillac STS 2009, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$20.84 - $52.72
- Mahle®Exhaust Pipe Flange GasketCadillac STS 2009, Exhaust Pipe Flange Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$7.83 - $8.68
- Dorman®Steel Exhaust Flange Stud and Nut KitCadillac STS-V 2009, Steel Exhaust Flange Stud and Nut Kit by Dorman®. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time and energy by having the right hardware...Direct replacement for a proper fit every timeThe finest quality at a great price$16.48
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2009 Cadillac STS Exhaust Reviews
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Different Trend® - Blue Flame Series Domed Straight Cut Double-Wall Exhaust Tip (2.25" Inlet, 3.5" Outlet, 7.25" Length)Posted by Zachary (Ontario, NY) / March 09, 20212006 Dodge Charger
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