Looking for in-stock aftermarket parts to modify or upgrade your 2018 GMC Sierra 1500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your Sierra 1500.
Whether you have a 2018 GMC Sierra 1500 in Base to SLT trim we have you covered. We have 160 catback available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
IN STOCK - LOW 49-34131-BThis system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3" mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow stainless steel, producing an aggressiv... aFe Gemini XV 3in 304 SS Cat-Back Exhaust 09-18 GM Trucks V6-4.3/V8-4.8/5.3L w/ Black Tips 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base 2017-2018 GMC Sierra 1500 Denali $1,429.73 SALE |
IN STOCK 49-44038-BThe new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exh CB, GM Silverado/Sierra 1500 2014 V*-5.3/6.2L Black tip 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $730.13 SALE |
IN STOCK - LOW 49-44038-PThe new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exh CB,Stainless steel GM Silverado/Sierra 1500 2014 V*-5.3/6.2L Polished tip 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $664.13 SALE |
IN STOCK - DROPSHIPS 49-44062-PIntroducing an all new Rebel Series Dual Center Exit Cat-Back exhaust system for the Jeep Wrangler (JK) with V6-3.6L/3.8L engine. This unique Rebel Series exhaust system is designed with dual center exit tips for an aggressive look. The Tips are 4-1/2" with aFe power plates and constructed out of st... aFe Rebel Series CB 3in Middle Side Exit SS Exht w/Polish Tips 09-16 Chevy Silverado/GMC Sierra 1500 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $803.55 SALE |
IN STOCK - DROPSHIPS 49-44071-PThe new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACH Force-Xp 3in CB SS Dual Exhaust w/Polished Tips 09-16 GM Silverado/Sierra 4.3L/4.8L/5.3L 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $803.55 SALE |
IN STOCK - DROPSHIPS 49-44098-BThis Rebel Series exhaust is a dual, middle-side exit system for the 2009-2018 GM Silverado/Sierra 1500 Crew Cab/Long Bed and delivers +14 horsepower and +17 lbs. x ft. of torque as measured on our in-house dyno. 3" into dual 2-1/2" mandrel bent stainless steel tubing and high flow muffler offers ma... aFe Rebel Series 3in to 2.5in 409 SS Cat-Back Exhaust w/ Black Tips 09-18 GM Silverado/Sierra 5.4L 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $884.40 SALE |
IN STOCK - DROPSHIPS 49-44098-PThis Rebel Series exhaust is a dual, middle-side exit system for the 2009-2018 GM Silverado/Sierra 1500 Crew Cab/Long Bed and delivers +14 horsepower and +17 lbs. x ft. of torque as measured on our in-house dyno. 3" into dual 2-1/2" mandrel bent stainless steel tubing and high flow muffler offers ma... aFe Rebel Series 3in-2.5in 409 SS Cat-Back Exhaust 09-18 GM Silverado/Sierra 1500 V6-4.3L / V8-4.6L 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $803.55 SALE |
IN STOCK - LOW 49-44112-BaFe Apollo GT Series 3in 409SS GM Silverado/Sierra 1500 09-19 V6-4.3/V8-4.8/5.3L - Black 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $884.40 SALE |
IN STOCK - DROPSHIPS 49-44112-PaFe Apollo GT Series 3in 409SS GM Silverado/Sierra 1500 09-19 V6-4.3/V8-4.8/5.3L - Polished 2009-2018 GMC Sierra 1500 SLE / SLT 2014-2018 GMC Sierra 1500 Base / Denali $803.55 SALE |
IN STOCK 49-44116-P4" 409 Stainless Steel Construction: This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability.
High-Flow 409 Stainless Steel Muffler: This system features a high-flow 409 stainless steel muffler, producing a deep sound.
5" Diamete... aFe Apollo GT Series 4in 409SS Cat Back Exh System Polished Tip 14-18GM Silverado 1500 V8-6.2L 2014-2018 GMC Sierra 1500 Denali / SLT $603.90 SALE |
IN STOCK - LOW 49-44136-PThis system produced gains of up to +14 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This cat-back exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producin... aFe Apollo GT Series 3in 409SS GM Silverado/Sierra 1500 09-18 V6-4.3/V8-4.8/5.3L - Polished 2009-2018 GMC Sierra 1500 SLE 2014-2018 GMC Sierra 1500 Base $664.13 SALE |
IN STOCK 140537Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab (78.7) Crew Cab(69.3) 143.5 WB 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,344.99 |
IN STOCK - LOW 140537BCBorla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab (78.7) WB - Black Chrome 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,421.99 |
IN STOCK 140540Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14 Silv/Sierra 1500 5.3L AT/MT Crew Cab STD Bed ATAK Cat-Back Exhaust 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,381.99 |
IN STOCK 140546Borla Cat-Back And Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 14 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab Split Side Exit 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,398.99 |
IN STOCK 140546BCBorla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core technology is designed to unleash hiddenhorsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts every... Borla 14-16 Chevrolet Silverado 1500 5.3L ATAK Catback Exhaust w/ Black Chrome Tips 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,448.99 |
IN STOCK 140549Borla Cat-Back And Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 14 Chev/GMC Silverado/Sierra 1500 CC/SB C/B ATAK 3.5x2.25in Singl Rnd Rlld AnglCt Splt Sd 2016-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,386.99 |
IN STOCK 140549BCBorla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14-18 Chevrolet Silverado 1500 5.3L V8 AT/MT 4DR CC ATAK Catback Exhaust w/Black Chrome Tips 2016-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,430.99 |
IN STOCK 140572Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Single Split Rear Exit Cat-Back Exhaust 2015-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,515.99 |
IN STOCK - LOW 140577Borla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Dual Rolled Side Exit Cat-Back Exhaust 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,418.99 |
IN STOCK 140577BCBorla Cat-Back And Axle-Back multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, su... Borla 14+ Chevy Silverad1500 EC STD/CC Short 143.5in WB ATAK Cat-Back Exhaust w/ Black Chrome Tip 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,467.99 |
IN STOCK - LOW 140720Borla Cat-Back And Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 14-17 Chevrolet Silverado 1500 5.3L V8 AT/MT Regular Cab ATAK Exhaust 2014-2018 GMC Sierra 1500 Base / SLE $1,420.99 |
IN STOCK - LOW 140797Borla 14-18 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab(78.7) Crew Cab(69.3) 143.5 WB 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,283.99 |
IN STOCK - LOW 140797BCBorla 14-18 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 Ext Cab(78.7) Crew Cab(69.3) 143.5 WB Black Chrome 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,325.99 |
IN STOCK 140536BCBorla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 14 Sierra 1500 C/B S-Type Exh/2.75in Into Dual 2.25in Out 4in Split Rear Exit-Black Chrome 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT $1,436.99 |