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Est. 1957
Big Gun

Big Gun 03-07 Kawasaki KLX 400R EVO R Series Head Pipe

$303.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Big Gun 03-07 Kawasaki KLX 400R EVO R Series Head Pipe. Adds horsepower and torque, lighter than stock.

Key Features

  • Fits 2003-2007 Kawasaki KLX 400R.
  • Precision-bent TIG welded 304 stainless steel construction.
  • Increases horsepower and torque.
  • Larger diameter than stock head pipe for improved exhaust flow.
  • Lighter than stock head pipe.
  • Handmade in the USA.
This head pipe is designed for the 2003-2007 Kawasaki KLX 400R. It is not CARB approved and cannot be shipped to California.
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About this part

Product Details

Big Gun is known for building performance exhaust systems that help off-road riders get more out of their machines. This EVO R Series head pipe is a prime example, designed specifically for the 2003-2007 Kawasaki KLX 400R. It's a direct replacement for your stock head pipe, but it's built to unlock more power and improve the overall sound of your bike.

This head pipe is constructed from precision-bent, TIG-welded 304 stainless steel, which is a strong material that resists corrosion. It features a larger diameter than the stock pipe, allowing for better exhaust flow. This improved flow translates into noticeable gains in horsepower and torque, giving your KLX 400R a more responsive feel. Plus, it's handmade in the USA and is lighter than the original part, helping to reduce overall vehicle weight.

Specifications

Brand
Big Gun
Manufacturer Part #
09-5411
UPC
09-5411

Frequently Asked Questions

Big Gun 03-07 Kawasaki KLX 400R EVO R Series Head Pipe

$303.00