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FlowTech Manifold Back Exhaust System 52525FLT

FlowTech Manifold Back Exhaust System 52525FLT
$505.99 ea
NEWARRIVING SOONEstimated Ship Date 07/03/2025 (If Ordered Today)41 Available from HOLLEY PERFORMANCE PRODUCTS as of 06/15/2025
Model: 4006221
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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FLOWTECH Super Street Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. Kits include everything from the header flange back to the tailpipe, excluding mufflers. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. All systems feature factory exit locations and all parts and instructions are included.
Features:
  • Heavy Duty 2.25" 16-gauge tubing for increased performance
  • Header Dual Kit includes all installation hardware
  • Custom fit for both factory manifolds and aftermarket headers
  • NOTE: Mufflers not included.
For use with factory exhaust manifold system order kit # 52525FLT. For installation using headers order kit #51525FLT which should be used with Flowtech Headers sales #11100FLT, Required Muffler "inlet and outlet" tube size is 2.25", Suggested mufflers: TERMINATOR sales #50121FLT or RAPTOR sales #50051FLT.
Installation Notes:
For use with factory exhaust manifold system order kit # 52525FLT. For installation using headers order kit #51525FLT which should be used with Flowtech Headers sales #11100FLT, Required Muffler "inlet and outlet" tube size is 2.25", Suggested mufflers: TERMINATOR sales #50121FLT or RAPTOR sales #50051FLT.

Downloads:

Download Name File Size
51525-3901fltrev.pdf565.81KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Chevrolet K10 Pickup 1973 5.7L / 350 / V8
Chevrolet K10 Pickup 1974 5.7L / 350 / V8
Chevrolet K10 Suburban 1973 5.7L / 350 / V8
Chevrolet K10 Suburban 1974 5.7L / 350 / V8
Chevrolet K20 Pickup 1973 5.7L / 350 / V8
Chevrolet K20 Pickup 1974 5.7L / 350 / V8
Chevrolet K20 Suburban 1973 5.7L / 350 / V8
Chevrolet K20 Suburban 1974 5.7L / 350 / V8
Chevrolet K30 Pickup 1973 5.0L / 307 / V8
5.7L / 350 / V8
Chevrolet K30 Pickup 1974 5.7L / 350 / V8
GMC K15/K1500 Pickup 1973 5.7L / 350 / V8
GMC K15/K1500 Pickup 1974 5.7L / 350 / V8
GMC K15/K1500 Suburban 1973 5.7L / 350 / V8
GMC K15/K1500 Suburban 1974 5.7L / 350 / V8
GMC K25/K2500 Pickup 1973 5.7L / 350 / V8
GMC K25/K2500 Pickup 1974 5.7L / 350 / V8
GMC K25/K2500 Suburban 1973 5.7L / 350 / V8
GMC K25/K2500 Suburban 1974 5.7L / 350 / V8
GMC K35/K3500 Pickup 1973 5.7L / 350 / V8
GMC K35/K3500 Pickup 1974 5.7L / 350 / V8

Specifications:

Emission Code 4
Exhaust Series Flowtech
Material Aluminized Steel
Muffler Type None
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Sound Level Pipe Only
System Type Manifold-back
Tips Aluminized
Tubing Diameter (in) 2.25
Type of Muffler None

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FlowTech Manifold Back Exhaust System 52525FLT: