Magnaflow Street Series Cat-Back Exhaust System — 1968-1972 GM A-Body 3in.

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SKU: MAG15898
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Sale price$1,556.11 Regular price$1,740.12
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

Magnaflow Street Series Cat-Back Exhaust System for 1968-1972 GM A-Body

Unleash the true potential of your classic muscle car with the Magnaflow Street Series Cat-Back Performance Exhaust System (15898). Designed specifically for the 1968-1972 GM A-Body platform, this system delivers a powerful, resonant exhaust note that commands attention. Experience dyno-proven performance gains and a satisfyingly aggressive exterior sound, complemented by a moderate interior tone, ensuring your driving experience is elevated without being overwhelming.

Key Features and Benefits:

  • Aggressive Sound Profile: Enjoy Magnaflow's signature deep, resonant tone that enhances the character of your V8 engine.
  • Dyno-Proven Performance: Engineered to optimize exhaust flow, leading to noticeable improvements in horsepower and torque.
  • Durable Stainless Steel Construction: Built with high-quality, corrosion-resistant stainless steel for longevity and resistance to the elements.
  • 3-Inch Mandrel-Bent Piping: Features fast-flowing, 3-inch diameter mandrel-bent main piping for unrestricted exhaust gas velocity.
  • Dual Straight-Through Mufflers: Two high-performance mufflers ensure maximum flow and a powerful sound.
  • Dual Split Rear Exit: The system terminates in a dual split rear exit configuration, positioned behind the rear tires for a classic muscle car aesthetic.
  • Direct-Fit Design: This crossmember-back system is designed to replace your stock exhaust from the crossmember rearward, ensuring a precise fit.

The Magnaflow 15898 system is crafted for enthusiasts who demand both performance and a commanding sound. Its robust construction guarantees it can handle the rigors of daily driving and spirited performance. Elevate your classic GM A-Body's auditory and performance experience with this premium exhaust upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1968-1973 Chevrolet El Camino SS
1973 Chevrolet Malibu Base
1970-1973 Chevrolet Monte Carlo Base
1973 Chevrolet Monte Carlo Landau
1973 Chevrolet Monte Carlo S
1968-1971 Oldsmobile 442 Base
1968 Oldsmobile Cutlass S
1968-1973 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968-1973 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge

Product Details

Product Description
Part Numbers
Sizing & Fit

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

Magnaflow Street Series Cat-Back Exhaust System for 1968-1972 GM A-Body

Unleash the true potential of your classic muscle car with the Magnaflow Street Series Cat-Back Performance Exhaust System (15898). Designed specifically for the 1968-1972 GM A-Body platform, this system delivers a powerful, resonant exhaust note that commands attention. Experience dyno-proven performance gains and a satisfyingly aggressive exterior sound, complemented by a moderate interior tone, ensuring your driving experience is elevated without being overwhelming.

Key Features and Benefits:

  • Aggressive Sound Profile: Enjoy Magnaflow's signature deep, resonant tone that enhances the character of your V8 engine.
  • Dyno-Proven Performance: Engineered to optimize exhaust flow, leading to noticeable improvements in horsepower and torque.
  • Durable Stainless Steel Construction: Built with high-quality, corrosion-resistant stainless steel for longevity and resistance to the elements.
  • 3-Inch Mandrel-Bent Piping: Features fast-flowing, 3-inch diameter mandrel-bent main piping for unrestricted exhaust gas velocity.
  • Dual Straight-Through Mufflers: Two high-performance mufflers ensure maximum flow and a powerful sound.
  • Dual Split Rear Exit: The system terminates in a dual split rear exit configuration, positioned behind the rear tires for a classic muscle car aesthetic.
  • Direct-Fit Design: This crossmember-back system is designed to replace your stock exhaust from the crossmember rearward, ensuring a precise fit.

The Magnaflow 15898 system is crafted for enthusiasts who demand both performance and a commanding sound. Its robust construction guarantees it can handle the rigors of daily driving and spirited performance. Elevate your classic GM A-Body's auditory and performance experience with this premium exhaust upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1968-1973 Chevrolet El Camino SS
1973 Chevrolet Malibu Base
1970-1973 Chevrolet Monte Carlo Base
1973 Chevrolet Monte Carlo Landau
1973 Chevrolet Monte Carlo S
1968-1971 Oldsmobile 442 Base
1968 Oldsmobile Cutlass S
1968-1973 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968-1973 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge

Product Details

Product Description

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

Magnaflow Street Series Cat-Back Exhaust System for 1968-1972 GM A-Body

Unleash the true potential of your classic muscle car with the Magnaflow Street Series Cat-Back Performance Exhaust System (15898). Designed specifically for the 1968-1972 GM A-Body platform, this system delivers a powerful, resonant exhaust note that commands attention. Experience dyno-proven performance gains and a satisfyingly aggressive exterior sound, complemented by a moderate interior tone, ensuring your driving experience is elevated without being overwhelming.

Key Features and Benefits:

  • Aggressive Sound Profile: Enjoy Magnaflow's signature deep, resonant tone that enhances the character of your V8 engine.
  • Dyno-Proven Performance: Engineered to optimize exhaust flow, leading to noticeable improvements in horsepower and torque.
  • Durable Stainless Steel Construction: Built with high-quality, corrosion-resistant stainless steel for longevity and resistance to the elements.
  • 3-Inch Mandrel-Bent Piping: Features fast-flowing, 3-inch diameter mandrel-bent main piping for unrestricted exhaust gas velocity.
  • Dual Straight-Through Mufflers: Two high-performance mufflers ensure maximum flow and a powerful sound.
  • Dual Split Rear Exit: The system terminates in a dual split rear exit configuration, positioned behind the rear tires for a classic muscle car aesthetic.
  • Direct-Fit Design: This crossmember-back system is designed to replace your stock exhaust from the crossmember rearward, ensuring a precise fit.

The Magnaflow 15898 system is crafted for enthusiasts who demand both performance and a commanding sound. Its robust construction guarantees it can handle the rigors of daily driving and spirited performance. Elevate your classic GM A-Body's auditory and performance experience with this premium exhaust upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1968-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1970-1972 Chevrolet Chevelle Base
1973 Chevrolet Chevelle Deluxe
1968-1973 Chevrolet El Camino Base
1968-1973 Chevrolet El Camino Custom
1968-1973 Chevrolet El Camino SS
1973 Chevrolet Malibu Base
1970-1973 Chevrolet Monte Carlo Base
1973 Chevrolet Monte Carlo Landau
1973 Chevrolet Monte Carlo S
1968-1971 Oldsmobile 442 Base
1968 Oldsmobile Cutlass S
1968-1973 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968-1973 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge

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