Air and Fuel› Superchargers, Turbochargers and Components

Integrated Engineering

Cast Turbo Inlet Pipe for Audi B9/B9.5 SQ5 3.0T

$177.99

SKU: IEINCZ4

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Integrated Engineering IEINCZ4 is a turbo inlet pipe designed for Audi B9/B9.5 SQ5 3.0T V6 turbocharged engines. It features a cast aircraft-grade aluminum construction and is CNC machined for precise tolerances.

The inlet pipe has a 4" effective inner diameter cross-section and an 85mm inlet side to a 66mm turbo side.
Show original supplier description
The Integrated Engineering IEINCZ4 turbo inlet pipe is engineered to significantly increase airflow to your Audi B9/B9.5 SQ5 3.0T engine. Constructed from cast aircraft-grade aluminum and precision CNC machined in-house, this pipe maximizes internal volume and shape for optimal performance. With a 4" effective inner diameter and an 85mm inlet transitioning to a 66mm turbo side, the IEINCZ4 provides a substantial flow increase over the stock plastic design. Back-to-back flow bench testing demonstrates significant gains, and when combined with an IE cold air intake system, it can deliver up to 19 HP and 21 ft-lbs of torque over stock. It features adaptable turbo flanges with O-ring seals for a leak-free connection and supports high horsepower builds. For easier installation in tight spaces, it incorporates a slip-fit retainer post for the lower bolt. Installation is straightforward and typically takes about an hour. However, fitment is not verified on non-IE brand intakes without modification, and stock intakes may require an optional silicone adapter. Turbo upgrade adapter rings are sold separately.

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

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

BrandIntegrated Engineering
Part NumberIEINCZ4
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy