1978 GMC Exhaust System Kit Parts
Choose a Model for your 1978 GMC
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- DynoMax Universal Dual Kit
- 2.50 in. Tube Size; Includes LH-RH Manifold Head Pipe/LH-RH Rear Section Head Pipe/Header Ext. Pipes/LH-RH Tailpipes/Hardware
- DynoMax Universal Dual Kit
- Dual Header Pipe Kit
- Product Attributes:
- Most Popular Make/Model: Gmc K1500
- Tubing Diameter: 2.500 In.
- Exhaust Type: Dual
- Muffler Type: None
- WARNING CA Proposition 65: No
- Exit Style: Straight
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Product Grade: Premium
- Min Year Covered: 1973
- Most Popular Year: 1986
- Max Year Covered: 1989
- Exit Position: Dual
- Total Part VIO: 71844
-
Features:
- Designed To Perform w/DynoMax Headers Or Stock Man
- Special Design For A Variety Of Mounting Options
- Extra Long 16-gauge Tailpipe
- Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax(R) Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax(R) products – engineered for "Pure Unadulterated Power" –¬ include complete cat-back and axle-back performance exhaust systems; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax(R) product features the benefits of worldwide global engineering resources. The DynoMax(R) brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 1978 - GMC K15 | V | - | 8 Cyl 5.7L | 96.0 | Standard Cab Pickup | 350 |
- DynoMax Universal Dual Kit
- 2.25 in. Tube Size; Includes LH-RH Manifold Head Pipe/LH-RH Rear Manifold Head Pipe/Header Ext. Pipes/LH-RH Tailpipes/Hardware
- DynoMax Universal Dual Kit
- Dual Header Pipe Kit
- Product Attributes:
- Most Popular Make/Model: Gmc C1500
- Tubing Diameter: 2.250 In.
- Exhaust Type: Dual
- Max Year Covered: 1987
- Most Popular Year: 1984
- Exit Position: Dual
- WARNING CA Proposition 65: No
- Total Part VIO: 87470
- Inlet Inside Diameter: 2.250 In.
- Product Grade: Premium
- Min Year Covered: 1975
-
Features:
- Mandrel Bends For Better Flow
- 100% Aluminized For Sharp Appearance and Long Life
- Longer Lasting and Sharper Appearance
- Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax(R) Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax(R) products – engineered for "Pure Unadulterated Power" –¬ include complete cat-back and axle-back performance exhaust systems; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax(R) product features the benefits of worldwide global engineering resources. The DynoMax(R) brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Sub Model | Body | CID |
|---|---|---|---|---|---|---|---|
| 1978 - GMC C15 | V | - | 8 Cyl 5.0L | 78.0 | Base | Standard Cab Pickup | 305 |
- DynoMax Universal Dual Kit
- 2.50 in. Tube Size; Includes LH-RH Manifold Head Pipe/LH-RH Rear Manifold Head Pipe/Header Ext. Pipes/LH-RH Tailpipes/Hardware
- DynoMax Universal Dual Kit
- Dual Header Pipe Kit
- Product Attributes:
- Most Popular Make/Model: Gmc C1500
- Tubing Diameter: 2.500 In.
- Exhaust Type: Dual
- Muffler Type: None
- WARNING CA Proposition 65: No
- Exit Style: Straight
- Inlet Inside Diameter: 2.250 In.
- Outlet Outside Diameter: 2.250 In.
- Product Grade: Premium
- Min Year Covered: 1975
- Most Popular Year: 1984
- Max Year Covered: 1987
- Exit Position: Dual
- Total Part VIO: 87470
-
Features:
- Designed To Perform w/DynoMax Headers Or Stock Man
- Special Design For A Variety Of Mounting Options
- Extra Long 16-gauge Tailpipe
- Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax(R) Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax(R) products – engineered for "Pure Unadulterated Power" –¬ include complete cat-back and axle-back performance exhaust systems; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax(R) product features the benefits of worldwide global engineering resources. The DynoMax(R) brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Sub Model | Body | CID |
|---|---|---|---|---|---|---|---|
| 1978 - GMC C15 | V | - | 8 Cyl 5.7L | 96.0 | Base | Standard Cab Pickup | 350 |
- DynoMax Universal Dual Kit
- 2.25 in. Tube Size; Includes LH-RH Manifold Head Pipe/LH-RH Rear Section Head Pipe/Header Ext. Pipes/LH-RH Tailpipes/Hardware
- DynoMax Universal Dual Kit
- Dual Header Pipe Kit
- Product Attributes:
- Most Popular Make/Model: Gmc K1500
- Tubing Diameter: 2.250 In.
- Exhaust Type: Dual
- WARNING CA Proposition 65: No
- Inlet Inside Diameter: 2.250 In.
- Product Grade: Premium
- Min Year Covered: 1973
- Muffler Body Length: No Muffler
- Max Year Covered: 1989
- Most Popular Year: 1986
- Exit Position: Dual
- Total Part VIO: 71844
-
Features:
- Mandrel Bends For Better Flow
- 100% Aluminized For Sharp Appearance and Long Life
- Longer Lasting and Sharper Appearance
- Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax(R) Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax(R) products – engineered for "Pure Unadulterated Power" –¬ include complete cat-back and axle-back performance exhaust systems; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax(R) product features the benefits of worldwide global engineering resources. The DynoMax(R) brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1978 - GMC K25 Suburban | V | - | 8 Cyl 5.7L | 350 |
- Dual; Dual Rear Same Side Exit; Includes 2.5 in. Tubing/Super 44 Series(TM) Mufflers/H-Pipe/Hdw; Tips Not Included; Aluminized Steel;Intended For Race Use Only Not Legal For Use On Vehicles Originally Equipped w/Catalytic Converter
- American Thunder Header Back Exhaust System; Dual; Dual Rear Same Side Exit; Includes 2.5 in. Tubing/Super 44 Series™ Mufflers/H-Pipe/Hdw; Tips Not Included; Aluminized Steel;
- American Thunder Header Back Exhaust System
- Product Attributes:
- Tubing Diameter: 2.500 In.
- Tubing Material: Aluminized Steel
- Exhaust Type: Dual
- Mount Type: Flanged
- Muffler Type: Welded Baffle
- Inlet Diameter: 2.500 In.
- Sound Level: Moderate/aggressive
- WARNING CA Proposition 65: No
- Exhaust Series: American Thunder
- Exit Style: Straight
- Muffler Series: Super 44
- Inlet Inside Diameter: 2.500 In.
- Outlet Outside Diameter: 2.500 In.
- Tail Pipe Diameter: 2.500 In.
- Shape: Oval
- Exit Position: Dual Rear Same Side
- Tip Diameter: N/a
- Muffler Count: 2
- Single or Dual: Dual
- System Type: Header Back
- Outlet Diameter: 2.500 In.
-
Features:
- Limited Lifetime Warranty
- Moderate Exterior Exhaust Tone
- Includes Hangers and Hardware For Easy Installation
- Header Back System
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- Premium Flowmaster Quality
- Famous Flowmaster sound
- Multiple Exit Options
- Patented Delta Flow Technology
- Made in the USA
- This American Thunder exhaust system was specially designed for 1973-1974 Chevrolet and GMC C10 and C15 1/2 ton and 3/4 ton 2wd trucks and is perfect for the person looking for moderate to aggressive interior and exterior sound levels. The crossmember-back exhaust system comes complete with a built-in H-pipe crossover, all mandrel-bent 2.50-inch aluminized steel tubing, a pair of Super 44 Series performance mufflers and your choice of tailpipe exits. Either dual out rear under the bumper for a muscular look or dual out the sides behind the rear tires for that classic truck look. The system includes all hardware necessary for installation and is designed to accommodate both long and short wheelbases, with either an automatic or manual transmission and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our 3-year Limited Warranty. Notes: Does Not include exhaust tips, header reducer cones or downpipes for factory manifolds.
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
Additional Fitment Information:
| Vehicle | Bed Length | Body |
|---|---|---|
| 1978 - GMC C25 | 96.0 | Crew Cab Pickup |
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