2018 GMC Sierra Exhaust Systems
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Flowmaster®American Thunder™ 409 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 69.3" Bed 6.2L 2018, American Thunder™ 409 SS Cat-Back Exhaust System with Split Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 2.5". Exhaust System Sound:...$969.95 - Flowmaster®FlowFX™ 409 SS Cat-Back Exhaust System with Dual Side ExitGMC Sierra 5.3L without 2-Piece Driveshaft 2018, FlowFX™ 409 SS Cat-Back Exhaust System with Dual Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System...$707.95
- Flowmaster®FlowFX™ 409 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra 2018, FlowFX™ 409 SS Cat-Back Exhaust System with Single Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Exhaust System Sound: Moderate. Introducing Flowmaster's new line of FlowFX...$549.95 - $778.95
- Flowmaster®FlowFX™ 409 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 2018, FlowFX™ 409 SS Cat-Back Exhaust System with Split Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Introducing Flowmaster's new line of FlowFX exhaust systems. This system is...$805.95 - $938.95
- Flowmaster®FlowFX™ Extreme 409 SS Cat-Back Exhaust System with Single Rear ExitGMC Sierra 4.3L / 5.3L 2018, FlowFX™ Extreme 409 SS Cat-Back Exhaust System with Single Rear Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System Sound:...$334.95
- iD Select®ECO II Direct Fit Manifold Catalytic Converter and Pipe AssemblyGMC Sierra 6.0L with ULEV Standard, 2 Converter System 2018, ECO II Manifold Catalytic Converter and Pipe Assembly by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Converter...$648.81
- Gibson®Dual Sport™ Cat-Back Exhaust System with Dual Side ExitGMC Sierra 2018, Dual Sport™ Cat-Back Exhaust System with Dual Side Exit by Gibson®. Exhaust System Type: Cat-Back. Exhaust System Sound: Aggressive / Loud. Get increased horsepower and torque in the rpm range where you need it most,...$569.24 - $814.52$669.70 - $958.26Save up to 15%
- Pypes®409 SS Cat-Back Exhaust System with Split Rear ExitGMC Sierra 2018, 409 SS Cat-Back Exhaust System with Split Rear Exit by Pypes®. With 3" Intermediate and 2.5 in Tail Pipe. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Exhaust System Sound: Aggressive / Loud. Get a...$571.75 - $572.75$611.75 - $612.75Save 7%
- Flowmaster®Outlaw™ Stainless Steel Cat-Back Exhaust System with Split Rear/Side ExitGMC Sierra 4.3L / 5.3L 2018, Outlaw™ Stainless Steel Cat-Back Exhaust System with Split Rear/Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System...$1,009.95
- Flowmaster®Outlaw™ Stainless Steel Cat-Back Exhaust System with Split Rear/Side ExitGMC Sierra 4.3L / 5.3L 2018, Outlaw™ Stainless Steel Cat-Back Exhaust System with Split Rear/Side Exit by Flowmaster®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3". Exhaust System...$1,009.95
- DynoMax®Ultra Flo™ Stainless Steel Cat-Back Exhaust System with Split Rear ExitGMC Sierra 143.5" Wheelbase / 153.0" Wheelbase 4.3L / 5.3L 2018, Ultra Flo™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by DynoMax®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing...$721.30
- JBA®Cat4ward Stainless Steel Shorty Exhaust HeadersGMC Sierra 2018, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Material: Stainless Steel. Header Style: Short Tube. JBA shorty headers are one of the...Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector$529.95 - $799.95
- SKP®Exhaust ManifoldGMC Sierra 3500 HD 6.0L 6L90 Transmission 2018, Exhaust Manifold by SKP®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both the front...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$70.47
- Walker®Steel Exhaust ResonatorGMC Sierra 153.0" Wheelbase 4.3L / 5.3L 2018, Steel Exhaust Resonator by Walker®. Resonator Inlet Diameter: 2.625". Resonator Outlet Diameter: 2.75". Resonator Body Length: 12". Resonator Overall Length: 61.5". Resonator Configuration:...Designed to directly replace the factory partMade with precision benders and fixture checked$123.97
- aFe®ATLAS™ Aluminized Steel DPF-Back Exhaust System with Split Side ExitGMC Sierra Crew Cab 6.6L 2018, ATLAS™ Aluminized Steel DPF-Back Exhaust System with Split Side Exit by aFe®. This exhaust is designed to convert the standard single exhaust into an aggressive dual exhaust. Exhaust System Type:...$785.00 - $865.00
- aFe®Rebel Series™ 409 SS Cat-Back Exhaust System with Dual Side ExitGMC Sierra Gas 2018, Rebel Series™ 409 SS Cat-Back Exhaust System with Dual Side Exit by aFe®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3" to 2.5". Exhaust System Sound: Aggressive / Loud....$954.00 - $1,052.00
- CGS®Cat-Back Exhaust System with Single Side ExitGMC Sierra Double Cab / Crew Cab 4.3L / 5.3L with Short Bed 2018, Cat-Back Exhaust System with Single Side Exit by CGS®. Exhaust System Type: Cat-Back. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive / Loud. Get more power,...$475.99 - $659.99
- Davico®Exhaust ManifoldGMC Sierra 6.0L 2018, Exhaust Manifold by Davico®. Position: Passenger Side. This product by Davico will be a great solution to replace your failed or damaged exhaust manifold. Once your stock cat fails to perform its job, replacement...Helps your vehicle emit harmless gasesDirect OEM replacement$80.80
- AERO Exhaust®Turbine XL Series Round Performance Exhaust Muffler with Integrated ResonatorGMC Sierra 2018, Turbine XL Series Round Performance Exhaust Muffler with Integrated Resonator by AERO Exhaust®. Muffler Body Length: 20". Muffler Overall Length: 26". Muffler Sound: Moderate. Muffler Configuration: Center - Center. The...$169.99 - $173.99
- Eastern Catalytic®ECO II Direct Fit Manifold Catalytic ConverterGMC Sierra 6.0L with ULEV Standard, 2 Converter System 2018, ECO II Manifold Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Converter Overall Length:...$627.53
- ACDelco®Genuine GM Parts™ Exhaust ManifoldGMC Sierra 2018, Genuine GM Parts™ Exhaust Manifold by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$109.52 - $577.68
- Eastern Catalytic®ECO GM Direct Fit Y-Pipe Catalytic Converter AssemblyGMC Sierra 4.3L 2018, ECO GM Y-Pipe Catalytic Converter Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Center. With 4 O2 Sensor Ports. Catalytic Converter Overall Length: 48". If you need to replace your...$642.59
- Eastern Catalytic®ECO II Direct Fit Catalytic Converter and Pipe AssemblyGMC Sierra 6.0L 2018, ECO II Catalytic Converter and Pipe Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 4 O2 Sensor Ports. Catalytic Converter Overall Length: 59". If you need to replace...$681.29
- MBRP®Installer Series™ Aluminized Steel DPF-Back Exhaust System with Dual Side ExitGMC Sierra 6.6L 2018, Installer Series™ Aluminized Steel DPF-Back Exhaust System with Dual Side Exit by MBRP®. Exhaust System Type: DPF-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 4". Exhaust System Sound:...$464.99
- Gibson®Patriot Skull™ 409 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra 2018, Patriot Skull™ 409 SS Cat-Back Exhaust System with Single Side Exit by Gibson®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Exhaust System Sound: Aggressive / Loud. The Patriot skull Exhaust is the...$643.81 - $724.20$757.42 - $822.22Save up to 15%
- MagnaFlow®Black Series™ Stainless Steel DPF-Back Exhaust System with Single Side ExitGMC Sierra Double Cab / Crew Cab 6.6L 2018, Black Series™ Stainless Steel DPF-Back Exhaust System with Single Side Exit by MagnaFlow®. Exhaust System Type: DPF-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 5"....$1,043.00
- PPE®304 SS Cat-Back Exhaust System with Single Side ExitGMC Sierra 6.6L 2018, 304 SS Cat-Back Exhaust System with Single Side Exit by PPE®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive / Loud. Do you want your...$539.99
- PPE®304 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 5.3L 2018, 304 SS Cat-Back Exhaust System with Split Side Exit by PPE®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3" to 2.5". PPE is where engineering, design, and quality come...$494.99 - $539.99
- aFe®Gemini XV™ 304 SS Cat-Back Exhaust System with Split Side ExitGMC Sierra 2018, Gemini XV™ 304 SS Cat-Back Exhaust System with Split Side Exit by aFe®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive / Moderate. This...$1,553.00 - $1,713.00
- aFe®Rebel XD Series™ 409 SS DPF-Back Exhaust System with Dual Side ExitGMC Sierra Crew Cab 6.6L 2018, Rebel XD Series™ 409 SS DPF-Back Exhaust System with Dual Side Exit by aFe®. Exhaust System Type: DPF-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Moderate. All...$865.00 - $954.00
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2018 GMC Sierra Exhaust Reviews
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Posted by Customer / March 15, 20202018 Chevy Silverado 1500