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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 | CID |
|---|---|---|---|---|
| 1974 - Chevrolet K20 Suburban | V | - | 8 Cyl 5.7L | 350 |
- Dual Split Rear Exit
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Muffler Type: Straight-through
- Tip Finish: Polished
- Exit Style: Dual Split Rear
- Tip Length: 9
- Tip Type: Weld-on;single Wall;turndown;cut Edge
- Muffler Quantity: 2
- Subtitle: Crossmember-back
- Main Piping Diameter: 2.5
- Tip Diameter: 2.625
- Muffler Finish: Satin
- Tip Shape: Round
- Inlet Connection Type: Clamp-on
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Plymouth Road Runner | V | 5211 | 8 Cyl 5.2L | 318 |
- 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 | Engine VIN | CID |
|---|---|---|---|---|---|
| 1974 - GMC C25/C2500 Suburban | V | - | 8 Cyl 5.7L | Y | 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 | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 1974 - GMC K15/K1500 Pickup | V | - | 8 Cyl 5.7L | 96.0 | Standard Cab Pickup | 350 |
- Dual Split Rear Exit 2-1/2in. Tubing
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Main Piping Diameter: 2.5
- Muffler Type: Straight-through
- Muffler Finish: Satin
- Exit Style: Dual Split Rear
- Muffler Quantity: 2
- Inlet Connection Type: Weld-on
- Subtitle: Crossmember-back
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Chevrolet Nova | L | 4097 | 6 Cyl 4.1L | 250 |
- Dual Split Rear Exit Will Require Modification To Fit Convertible 3-Bolt Flange 2-1/2in. Tubing
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Main Piping Diameter: 2.5
- Muffler Type: Straight-through
- Muffler Finish: Satin
- Exit Style: Dual Split Rear
- Muffler Quantity: 2
- Inlet Connection Type: Weld-on
- Subtitle: Crossmember-back
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Chevrolet Camaro | V | - | 8 Cyl 5.7L | 350 |
- Dual Split Rear Exit Will Require Modification To Fit Convertible 2-1/2in. Tubing
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Main Piping Diameter: 2.5
- Muffler Type: Straight-through
- Muffler Finish: Satin
- Exit Style: Dual Split Rear
- Muffler Quantity: 2
- Inlet Connection Type: Weld-on
- Subtitle: Crossmember-back
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Pontiac Firebird | V | 7456 | 8 Cyl 7.5L | 455 |
- Dual Split Rear Exit 3in. Tubing
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Main Piping Diameter: 3
- Muffler Type: Straight-through
- Muffler Finish: Satin
- Exit Style: Dual Split Rear
- Muffler Quantity: 2
- Inlet Connection Type: Weld-on
- Subtitle: Crossmember-back
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Chevrolet Nova | V | - | 8 Cyl 5.7L | 350 |
- Dual Split Side Exit
- Street Series Stainless Crossmember-Back System
- Street Series Stainless Crossmember-Back System
- Product Attributes:
- Muffler Type: Straight-through
- Tip Finish: Polished
- Exit Style: Dual Split Rear Behind Rear Tires
- Tip Length: 9
- Tip Type: Welded;single Wall;turndown;cut Edge
- Muffler Quantity: 2
- Subtitle: Crossmember-back
- Main Piping Diameter: 2.5
- Tip Diameter: 2.5
- Muffler Finish: Satin
- Tip Shape: Round
- Inlet Connection Type: Clamp-on
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1974 - Ford Bronco | L | 3277 | 6 Cyl 3.3L | 200 |
- 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
- 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 | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 1974 - Chevrolet C20 Pickup | V | - | 8 Cyl 7.4L | 96.0 | Crew Cab Pickup | 454 |
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