3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Titanium tips
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Titanium tips
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips
The IE 304L Stainless system features the 3.5" IE Performance Downpipe, into a massive 3.5" straight-through center pipe, that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups!
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
3" stainless steel system, with 100 Cell Hi-Flow cat, and retains stock exhaust tips
Max gains of +16 WHP and +17 WTQ on our B9 A4 equipped with a Luft-Technik intake, ECS Intercooler/charge pipes, and a stage 1 tune!
10X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2018 model year only (Pre-Facelift)
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with dual 100mm black Cerakote tips
3" Down pipe with Hi-Flow Sports cat and 2.75" stainless steel cat-back with smaller rear silencer & twin 80mm polished tips
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with dual 100mm Titanium tips
3" Down pipe with Hi-Flow Sports cat and 2.75" stainless steel cat-back with twin 80mm GT80 polished tips
3" downpipe with Hi-Flow Sports cat and 2.75" stainless steel cat-back with dual Polished 76.2mm Jet tips
Enhance the sound and performance of your A3 with our ECS Tuning Valved Catback and a FREE Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
3" stainless steel with quad 100mm polished tips
Transform the sound and performance of your vehicle with a cat-back and a Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
This product was last offered at the strikethrough price on
05-05-2026
Transform the sound and performance of your vehicle with a RESONATED cat-back and a Luft-Technik Intake System
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
This product was last offered at the strikethrough price on
05-05-2026
Replaces the factory center resonator in full cat/turbo back Supersprint systems
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips