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Eye-catching Sp Concepts 99-05 Dyna Exhaust- Big Bore 4.5" ~ Selling Fast [Nz3RCr9Q]

$47.99 $153.99 -69%

SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5" Experience the ultimate in performance with the SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5". This premium exhaust system is designed to enhance the power and torque of your vehicle, providing a seamle

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Eye-catching Sp Concepts 99-05 Dyna Exhaust- Big Bore 4.5" ~ Selling Fast [Nz3RCr9Q]

SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5"

Experience the ultimate in performance with the SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5". This premium exhaust system is designed to enhance the power and torque of your vehicle, providing a seamless and aggressive sound. With its high-flow performance rolled cone muffler and stepped baffles, this exhaust system is a game-changer for all motors. The 4.5" diameter ensures maximum airflow, while the 065 stainless steel headers with stepped sizes from 1 ¾” to 2” at the collector offer unparalleled efficiency.
  • 4.5” HIGH FLOW PERFORMANCE ROLLED CONE MUFFLER
  • STEPPED BAFFLE FROM 2 ¼ TO 2 ½ INCHES

Superior Craftsmanship and Durability

The SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5" is built to last with top-notch craftsmanship. Each unit is hand TIG welded from top to bottom, ensuring structural integrity and longevity. The CNC billet aluminum endcap and machined stainless steel header collars add to the product's premium look and durability. The 18mm O2 bungs with 12mm adapters provide flexibility for stock or autotune sensors, making this exhaust system versatile for various setups.
  • CNC BILLET ALUMINUM ENDCAP
  • HAND TIG WELDED FOR MAXIMUM STRENGTH
  • MACHINED STAINLESS STEEL HEADER COLLARS

Perfect for Performance Enthusiasts

The SP CONCEPTS 99-05 DYNA EXHAUST - BIG BORE 4.5" is an ideal choice for performance enthusiasts seeking to unlock the true potential of their vehicles. Its ability to increase bottom to mid-range torque and horsepower is perfect for both street and track use. With a complete hardware kit included, installation is a breeze. However, please note that all sales on exhaust systems are final and cannot be returned, as they are custom made to order. This exhaust system is not legal for sale or use in California on pollution-controlled motor vehicles, but we offer a CA Exhaust Waiver for race or off-highway use.
  • COMPLETE HARDWARE KIT INCLUDED
  • NOT LEGAL FOR USE IN CALIFORNIA
  • CA EXHAUST WAIVER AVAILABLE FOR RACE OR OFF-HIGHWAY USE

What Our Customers Say

January 28, 2026

Absolutely no complaints!

I'm very happy with the quality of this brand.

- Winston G..

January 28, 2026

Absolutely no complaints!

The product is of excellent quality and I'm very pleased.

- Norah F..

January 28, 2026

Absolutely no complaints!

A brilliant product, truly.

- Dorothy H..

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