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RZCrew Racing

Billet Custom ITB Trumpet Set

$2,184.00 $295.50 Save $1,888.50

SKU: BITB-T-4AGE20V-34mm-SS

In Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item

Overview

It features a fully customisable linkage system with Japanese-made bearings for smooth throttle response and precise idle tuning. The kit includes a CNC-machined titanium shaft and copper throttle plates for durability and optimal airflow.
Show original supplier description
The Rzcrew Racing Billet Custom ITB Trumpet set includes four trumpets designed for enhanced performance on Toyota 4AG-E 20V engines. Each trumpet is meticulously machined from a single piece of billet aluminum, offering a durable and aesthetically pleasing component. This product offers a high degree of customization, as buyers can select the desired trumpet color and length to match their specific build and aesthetic preferences. Included in the package are four billet trumpets and four Thermo Teflon gaskets, providing the essential components for installation. The product page notes that custom diameters are available upon request, though this may incur additional costs and requires direct contact with the seller. The manufacturer also specifies that for Silver Top engines, an inner diameter of 48mm is typically used, while Black Top engines commonly utilize a 45mm inner diameter, with this information to be specified during checkout. This ITB trumpet set is a custom product, allowing for personalization in terms of color and length. The product is listed as discontinued, which may affect availability. The fitting information indicates broad compatibility across a wide range of vehicle makes, including Alfa Romeo, Audi, BMW, Ford, Honda, Mazda, Mitsubishi, Nissan, Subaru, Toyota, and Volkswagen, among many others, suggesting a universal application for engines with the specified Toyota 4AG-E 20V configuration.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRZCrew Racing
Part NumberBITB-T-4AGE20V-34mm-SS
CategoryAir and Fuel
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Returns & Fitment

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.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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