Exhaust Headers, Manifolds and Components

K-Tuned

4-2-1 Tri-Y Stainless Steel Header

$759.00

SKU: KTD-HDR-BIGT

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This header features a stepped 4-2-1 Tri-Y design with smooth merge transitions. It utilizes 48mm primaries, progressing to 50mm and then 54mm secondaries, with a 75mm or 3” exit. Constructed from mandrel-bent T304 stainless steel tubing and back purge tig welded, it ensures clean welds and strength. The exit is left unfinished for installer flexibility.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandK-Tuned
Part NumberKTD-HDR-BIGT
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy