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Exhaust System for 1970 Oldsmobile Cutlass

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Flowmaster - American Thunder Exhaust Systems

FLOWMASTER  – AMERICAN THUNDER EXHAUST SYSTEMS

Flowmaster’s American Thunder chambered exhaust system is dyno-proven to dramatically increase the power band, giving you more horsepower, torque, fuel economy and a new image with an aggressive, rich exhaust tone. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Flowmaster’s most popular exhaust system
  • Features an aggressive sound
  • 3-year limited warranty for aluminized steel/lifetime warranty for stainless steel
  • Come in aluminized or stainless steel
  • Proven to improve torque, horsepower and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Quick and easy installation
  • Best for muscle cars and trucks
  • Passenger side, split  or driver side exit design
  • Dyno-tested
  • Direct fit by vehicle year, make and model
Flowmaster Exhaust System, Flowmaster American Thunder, Aluminized Steel, Natural
$479.99 List Price $621.16 Save $141.17 Availability: In Stock
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  • SKU#: F1317119
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate-to-Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Exit Location: Dual Rear Exit
  • Exit Quantity: Dual
  • Includes: H-pipe, mounting hardware
  • Main Piping Diameter: 2.5 in.
  • Muffler Configuration: 2.5 In. Inlet, 2.5 In. Outlet
  • Muffler Finish: Black
  • Muffler Material: Aluminized steel
  • Muffler Quantity: Two
  • Muffler Type: Chambered
  • Notes: Includes Super 40 Series Muffler
  • System Type: Header-back
  • Tip Cut: Tips Not Included
  • Tip Diameter: Tips Not Included
  • Tip Edge Style: Tips Not Included
  • Tip Finish: Tips Not Included
  • Tip Length: Tips Not Included
  • Tip Material: Tips Not Included
  • Tip Quantity: Tips Not Included
  • Tip Shape: Tips Not Included
  • Warranty: Flowmaster 3-Year Limited Warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 6 Cyl 4.1L | Base
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base
Flowmaster Exhaust System, Flowmaster American Thunder, Stainless Steel, Natural
$707.05 List Price $915.00 Save $207.95 Availability: In Stock
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  • SKU#: F13817200
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Downpipe Diameter: 3 in.
  • Exit Location: Dual Rear Exit
  • Exit Quantity: Dual
  • Includes: H-pipe, mounting hardware
  • Main Piping Diameter: 3 in.
  • Muffler Configuration: 3 In. Inlet, 3 In. Outlet
  • Muffler Finish: Black
  • Muffler Material: Stainless steel
  • Muffler Quantity: Two
  • Muffler Type: Chambered
  • Notes: Includes Super 40 Series Muffler
  • System Type: Header-back
  • Tip Cut: Tips Not Included
  • Tip Diameter: Tips Not Included
  • Tip Edge Style: Tips Not Included
  • Tip Finish: Tips Not Included
  • Tip Length: Tips Not Included
  • Tip Material: Tips Not Included
  • Tip Quantity: Tips Not Included
  • Tip Shape: Tips Not Included
  • Warranty: Lifetime Flowmaster limited warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base
Flowmaster Exhaust System, Flowmaster American Thunder, Aluminized Steel, Natural
$565.03 List Price $895.53 Save $330.50 Availability: In Stock
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  • SKU#: F1317200
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Exit Location: Dual Rear Exit
  • Exit Quantity: Dual
  • Includes: H-pipe, mounting hardware
  • Main Piping Diameter: 3 in.
  • Muffler Configuration: 3 In. Inlet, 3 In. Outlet
  • Muffler Finish: Black
  • Muffler Material: Aluminized steel
  • Muffler Quantity: Two
  • Muffler Type: Chambered
  • Notes: Includes Super 40 Series Muffler
  • System Type: Header-back
  • Tip Cut: Tips Not Included
  • Tip Diameter: Tips Not Included
  • Tip Edge Style: Tips Not Included
  • Tip Finish: Tips Not Included
  • Tip Length: Tips Not Included
  • Tip Material: Tips Not Included
  • Tip Quantity: Tips Not Included
  • Tip Shape: Tips Not Included
  • Warranty: Flowmaster 3-Year Limited Warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 6 Cyl 4.1L | Base
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base

Magnaflow Performance Exhaust Systems

MAGNAFLOW PERFORMANCE EXHAUST SYSTEMS

Over the past 30 years, Magnaflow has grown as a market leader of exhaust systems, focusing on three key elements with each product they produce—quality, power and sound. Magnaflow’s Performance exhaust systems feature stainless steel construction and mandrel bent pipes, allowing for greater fuel economy and improved performance. A full-bodied exhaust note, emblematic of the brand, is achieved through the smooth, lap-joint welded body, tightly packed with acoustical fibers designed to dampen irritating pitch tones.

Magnaflow Exhaust System, Magnaflow Performance, Stainless Steel, Natural
$612.70 List Price $792.90 Save $180.20 Availability: In Stock
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  • SKU#: M6615894
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: 10% increase in horsepower
  • Anticipated Ship Out Time: 1-2 business days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Multiple Exit Options
  • Exit Quantity: Multiple Exit Options
  • Main Piping Diameter: 2.5 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless steel
  • Muffler Quantity: Two
  • Muffler Type: Straight Thru
  • Notes: Includes: X-pipe, mounting hardware, 4 x 9 x 14 in. muffler
  • System Type: Crossmember-back
  • Tip Cut: Turndown
  • Tip Diameter: 2.75 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 9 in.
  • Tip Material: Stainless steel
  • Tip Quantity: 2
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow limited warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base
Magnaflow Exhaust System, Magnaflow Performance, Stainless Steel, Natural
$806.23 List Price $1,043.36 Save $237.13 Availability: In Stock
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  • SKU#: M6615898
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 business days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Split Side (Behind Rear Tires)
  • Exit Quantity: Dual
  • Main Piping Diameter: 3 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless steel
  • Muffler Quantity: Two
  • Muffler Type: Straight Thru
  • Notes: Includes: X-pipe, mounting hardware, 4 x 9 x 14 in. muffler; X-member back
  • System Type: Crossmember-back
  • Tip Cut: No Tips Included
  • Tip Diameter: No Tips Included
  • Tip Finish: No Tips Included
  • Tip Length: No Tips Included
  • Tip Material: No Tips Included
  • Tip Quantity: No Tips Included
  • Tip Shape: No Tips Included
  • Warranty: Lifetime Magnaflow limited warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base
Rating: (see review/s)

"it sounds great on the car and gets you a lot of looks. good exhaust makes a cruiser great.1972 Monte Carlo's kill" posted by: stumpy on May 11, 2009

Heartthrob Exhaust Direct fit Exhaust System

Heartthrob's Deep Tone exhaust system is best known for its aggressive performance sound. Delivering performance gains in horsepower and torque, this system also offers CNC mandrel-bent tubing that provides better exhaust flow for optimum performance, improves fuel economy and lowers exhaust gas temperature.

Features:

  • Heavy duty aluminized steel tubing
  • Mandrel-bent tubing
Note:
  • 50-state legal
Heartthrob Exhaust Exhaust System, Heartthrob Exhaust Header Dual, Aluminized Steel, Natural
$563.78 List Price $665.26 Save $101.48 Availability: In Stock
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  • SKU#: HEA8178695V
  • Quantity Sold: Assembly
  • Muffler Sound Level: Not Specified
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-on
  • Does Not Include: Exhaust tip
  • Exit Location: Split rear
  • Exit Quantity: Dual
  • Includes: Mounting hardware
  • Main Piping Diameter: 3 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized steel
  • Muffler Quantity: Two
  • Notes: HVS muffler
  • System Type: Header-back
  • Warranty: 1-year Heartthrob Exhaust warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base

Heartthrob Exhaust For off road/track use Direct fit Exhaust System

Heartthrob's Deep Tone exhaust system is best known for its aggressive performance sound. Delivering performance gains in horsepower and torque, this system also offers CNC mandrel-bent tubing that provides better exhaust flow for optimum performance, improves fuel economy and lowers exhaust gas temperature.

Features:

  • Heavy duty aluminized steel tubing
  • Mandrel-bent tubing
Note:
  • For off road use - Not legal for use on public roads and highways
Heartthrob Exhaust Exhaust System, Heartthrob Exhaust Header Dual, Aluminized Steel, Natural
$210.91 List Price $248.87 Save $37.96 Availability: In Stock
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  • SKU#: HEA8158690
  • Emissions: For off road/track use
  • Quantity Sold: Kit
  • Muffler Sound Level: Not Specified
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-on
  • Exit Location: Split rear
  • Exit Quantity: Dual
  • Includes: Pipes, mounting hardware
  • Main Piping Diameter: 2.5 in.
  • System Type: Header-back
  • Warranty: 1-year Heartthrob Exhaust warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base
Rating: (see review/s)

"Bought for my BBC 70 El Camino with headers problem has been to find a product that has behind the wheel exit as stock without spending $600-800 for a 2.5 inch system. Will still have to alter to get correct exit tailpipes." posted by: vortec$$$z on March 19, 2014

Heartthrob Exhaust Exhaust System, Heartthrob Exhaust Header Dual, Aluminized Steel, Natural
$188.30 List Price $222.19 Save $33.89 Availability: In Stock
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  • SKU#: HEA8148690
  • Emissions: For off road/track use
  • Quantity Sold: Kit
  • Muffler Sound Level: Not Specified
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Clamp-on
  • Exit Location: Split rear
  • Exit Quantity: Dual
  • Includes: Pipes, mounting hardware
  • Main Piping Diameter: 2.25 in.
  • Notes: Muffler not included
  • System Type: Header-back
  • Warranty: 1-year Heartthrob Exhaust warranty
see more Fits the following 1970 Oldsmobile Cutlass submodels:
  • 8 Cyl 5.7L | Base
  • 8 Cyl 7.5L | Base