Stainless steel Z/X crossover exhaust pipe with 2.5 in inlet on white background

Z/X Pipe — Stainless Steel, 2.5 in Inlet, BMW 3 / 4 / 5 Series

Name: Z/X Pipe — Stainless Steel, 2.5 in Inlet, BMW 3 / 4 / 5 Series
Brand: TITANVEIN
Price: 253.98 USD
Availability: InStock

$253.98

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Delivery guarantee
Every order ships with tracking. If your parcel is lost or damaged in transit, we reship or refund it.
Refund guarantee
Damaged or defective on arrival? We refund or replace it - no return shipping cost for quality issues.

Specifications
Part type	X / Z Pipe
Material	Stainless steel

Questions about this part

What does a Z/X pipe do?

It connects the two banks of a V-engine or the two sides of an inline system through a crossover, balancing exhaust pulses. On turbo cars it is usually fitted with a downpipe or cat-back change.

Is this a direct fit for my BMW?

It fits the chassis listed above when the joining pipe is 2.5 in. Because it is a universal section, the installer may need to trim or adjust the length.

What is the wall thickness?

1.5 mm stainless steel. Thinner walls are lighter but distort more easily at weld joints; 1.5 mm is a practical compromise for road use.

Does it come with clamps or gaskets?

No. The pipe is supplied on its own. Add clamps separately if you are not welding.

BMW

Z/X Pipe — Stainless Steel, 2.5 in Inlet, BMW 3 / 4 / 5 Series

Fabrication stock with the numbers on the page: sizes, prices and weld notes per variant, so a quote does not need another email.

Why this one

Dimensions per variant, priced per variant

Fabrication buyers compare numbers, not adjectives. Each size carries its own price and its own row, so a quote does not need a follow-up email.

Stainless steel and how to weld it

The grade decides filler, purge and heat input. Getting that wrong is how a good part becomes a failed joint, so the weld notes are on the page.

Stock counts and real dimensions

We publish what is actually in stock and what each option measures, so a quote does not depend on an email reply.

In the box

The main item as shown. Clamps, gaskets and fitting hardware are not included unless this listing states otherwise.

Fitment check recommended.
Confirm your vehicle year, engine and connection dimensions before ordering.

Detail view

Close-up reference for the finish and connection area.

Specifications at a glance

The details that decide the fit.

Product type	Pipe
Material	Stainless steel
Vehicle	BMW
Size	Default Title
Price	$253.98
Stock	150 units
Weld prep	Square cut, deburred

From delivery to final check

Installation

01 / MEASURE

Measure twice against your drawing or the old part.

02 / MATCH

Cut square and deburr before welding.

03 / FABRICATE

Purge and use the correct filler for the grade.

04 / TEST

Check alignment after welding, not before.

Before you order

Questions worth answering first.

How do I weld stainless steel?

Titanium needs full argon purge inside and out with dedicated tooling. Inconel takes nickel filler and a slower puddle. 304 welds with 308L and no purge. The grade is in the spec table above.

Can I return cut material?

No. Uncut and in original packaging, yes. Cutting is irreversible, so confirm the size first.

How do I confirm fitment?

Send your vehicle year, engine and a photo of the mounting area. We will confirm the fitment boundary before you order.

Is professional installation recommended?

Yes. These parts are built for performance exhaust work and should be installed by a qualified technician.