Speed Engineering's true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. The exhaust is mandrel bent, tig welded, and feature Natural stainless steel construction. All of Speed Engineering's exhaust products have been dyno proven. Speed Engineering stands behind their exhaust in saying you will not find a better fitting, quality built, budget exhaust for your vehicle.

• Mandrel Bent 3" Tubing
• True Dual X-Pipe System
• 3" Stainless Band Clamps
• Insulated Bullet Style Blow Through Mufflers
• Connects to Factory Hanger Locations
• Optional Wideband O2 Bung
• V8 Engines Only
• 4.8L, 5.3L, 6.0L, 6.2L Engines
• 304 Natural Stainless Steel

Note: "This system is designed to work with our 1999-2019 truck & SUV longtube headers only. It is not designed to work with any factory exhaust equipment".

Note: This system works with 4, 6, & 8 Speed Automatic Transmissions.

Vehicle Applications:

• 1999-2019 Chevrolet 1/2 ton Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L (Single Cab, Short Bed Only)
• 1999-2019 GMC 1/2 ton Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L (Single Cab, Shorty Bed Only)
• (Will fit longer bed options by extending connection pipes)

Note: The system has been used on SUV & different GM truck wheelbase length applications. Would require lengthening, shortening, and hangers relocation modifications.

Wheelbase Length

99-2019 GM Truck 2WD/4WD 4.8L, 5.3L, 6.0L, 6.2L

• 119 in (Reg Cab Short Bed)
• 133 in (Reg Cab Long Bed) - Need to order Ext/Crew Cab kit
• 143.5 in (Crew Cab 5' 8" Short Bed & Extra Cab 6' Short Bed Only)
• 153 in (Crew Cab Reg Bed) - Need to order & modify 25-1003
• 157.5 in (Ext Cab Long Bed) - Need to order & modify 25-1003
• 167 in (Crew Cab Long Bed) - Need to order & modify 25-1005

99-2019 GM SUV 2WD/4WD 4.8L, 5.3L, 6.0L, 6.2L

• 116 in – Need to order& modify  Reg cab kit
• 130 in (XL) - Need to order & modify Ext/Crew Cab kit

02-13 Avalanche – EXT

• 130 in - Need to order & modify Ext/Crew Cab kit