Entry № 041-6 / V-190 · 0:00 synced

I STRAIGHT PIPED THE AUDI S3 .. THEN IT BROKE!

Mat Armstrong@MatArmstrongbmx1M viewsMar 24, 202224:55
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YT
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Description

GRAB A STONE EXHAUST HERE

FOR THE S3 EXHAUST

stoneexhausts.com

Promos

Grab a YFood Taster Pack Here USE CODE MAT10 bit.ly After rebuilding the crash damaged Audi S3 for my friend liam it was time for some performance modifications! Starting with the exhaust. I fitted a valvetronic @STONEEXHAUST with an ebay downpipe and the results speak for themselves, but then i was hit with the dreaded coolant problem!

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Notes

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AI OverviewDefault language

The video documents a detailed, back-to-back set of car modification and repair tasks on an Audi S3 that was rebuilt for a friend named Liam. The host starts by noting the car’s return after a prior rebuild, expressing excitement to upgrade the exhaust and overall sound, while also addressing ongoing issues like a cooling problem and a missing front splitter. He explains the plan to install a Stone Exhaust cat-back system with a valvetronic setup, showing the initial unboxing and fitment process, including the quirky details of using a cheap downpipe and the challenges of cutting and routing new headers. The tone blends hands-on mechanical work with practical tips, such as temporarily removing the prop shaft and wrestling with tight spaces to get the downpipe out, followed by a careful reassembly sequence that includes wiring the valve controls and integrating a Bluetooth module for valve operation. Throughout, the host intercuts drive-by sound tests with the visual progress, delivering a mix of technical instruction and enthusiastic commentary about how the exhaust improves the car’s character and presence on the road.

Topics · Autos & Vehicles · Automotive Modification · DIY Car Repair

Questions answered

What exhaust setup was installed on the Audi S3?
A Stone Exhaust cat-back exhaust with valvetronic, designed to fit the stock system and controlled via an OBD-connected module for valve operation.
What cooling issue was encountered and how was it investigated?
The video discusses a low coolant warning with possible causes including the water pump and thermostat housing; the coolant bottle level sensor was suspected as a possible fault, leading to a test by swapping the sensor and rechecking the system.
What major mechanical task was performed to access the downpipe?
The downpipe was removed by temporarily moving the subframe and prop shaft, then unbolting and guiding the exhaust components out through a tight clearance.