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LIMITED TIME: Take 15% Off Site-Wide with Code: TRUCK15
LIMITED TIME: Take 15% Off Site-Wide with Code: TRUCK15
by SEGULER

Seguler 4" Straight Exhaust Pipe 30" Length for Diesel Exhaust Pipe Universal

SKU SG-DP-0325
Original price $99.99 - Original price $99.99
Original price
$99.99
$99.99 - $99.99
Current price $99.99
Availability:
in stock, ready to be shipped
Request a quote

FITMENT

  • Universal Fits any vehicle/truck with a 4" exhaust setup).
  • Custom Exhaust Fabrication / Muffler Replacement / Repair Pipe.

DESCRIPTION

Product Overview

  • When custom-building, repairing, or upgrading a heavy-duty diesel or high-output gas exhaust system, factory piping often limits flow or rusts out prematurely. Restrictive bends and narrow stock tubing choke exhaust velocity, trapping heat and robbing your engine of horsepower and torque under heavy towing conditions.
  • The Seguler 4" Universal Straight Exhaust Pipe (30" Length) provides a high-flow, heavy-duty solution for custom exhaust fabrication. Precision-engineered with uniform 4" outer diameter (OD) dimensions, this straight pipe section is ideal for mid-pipe replacements, muffler deletes, tailpipe extensions, or custom builder projects across Ford Powerstroke, Chevy/GMC Duramax, and Dodge Ram Cummins diesel platforms.

Key Features

  • Heavy-Duty Construction: Built with corrosion-resistant, high-temperature structural metal designed to withstand extreme diesel exhaust heat, road salt, and harsh weather.
  • Smooth High-Velocity Airflow: Straight-through 4-inch inner diameter maximizes exhaust gas velocity (CFM), drastically reducing backpressure for better turbo spool and engine efficiency.
  • Lower Exhaust Gas Temperatures: Unrestricted 4" piping allows hot exhaust gases to evacuate rapidly, keeping EGTs cooler during heavy towing or steep highway climbs.
  • Versatile Custom Builder Piece: Easily cut to custom length for muffler delete pipes, catalytic converter test pipes, tailpipe extensions, or resonator replacements.

FAQ

Q: What are the exact dimensions of this straight exhaust pipe?

A: This pipe features a uniform 4-inch outer diameter (4.0" OD) and an overall length of 30 inches, making it a standard-sized building block for 4" exhaust systems.

Q: Can I cut this 30-inch pipe to a shorter length if needed for my custom setup?

A: Yes! The pipe can easily be cut to your required length using a metal-cutting saw (sawzall, chop saw, or angle grinder) for custom under-truck fitting.

Q: Is this 4-inch straight pipe meant to be welded or clamped into place?

A: It supports both installation methods. You can either weld it using standard MIG/TIG welding or use 4" heavy-duty lap-joint / butt-joint exhaust clamps for a bolt-on connection.

Q: Will adding a straight 4-inch exhaust section change my truck's exhaust tone?

A: Yes. Replacing a baffled stock muffler, resonator, or narrow neck with this straight 4" pipe section unleashes a deeper, more aggressive exhaust growl and enhances turbo spool whistle under acceleration.