High Output Exhaust.
(All WRX & STi)
Turbo back exhaust system, 3" polished engine/intermediate, 2.5" tail pipe - 304 stainless steel tube, TIG welded ,single 4.0" tip (90db).
This 3" turbo back exhaust system ensures optimum gas flow with minimal exhaust back pressure, which is essential for high power. The APS high output stainless steel exhaust system really performs!
*Note: requires Catalyic Converter 995-019-100 for ADR compliance.

Application: MY97/04
Part No. APSWRX-HOE/R2
Price: £645 + VAT

High Output Exhaust.
(All WRX & STi)
Turbo back exhaust system, 3" polished 304 stainless steel tube, flanges, TIG welded - single 4.0" tip (95db).
Careful attention has been paid to exhaust noise and note without compromising outright performance. A strong but subdued exhaust note with no drone at highway cruise and well matched to the dynamics of the WRX.
The APS High Output system is engineered as a complete system including every nut, bolt and gasket required for installation.

Application: MY97/04
Part No. APSWRX-HOE/R1
Price: £645 + VAT

3” Exhaust “Twin” Tip.
(All WRX & STi)
Turbo back exhaust system, 3" polished 304 stainless steel tube, flanges TIG welded - twin 2.75" tips (95db).
This stock looking Turbo-Back 3” Stainless Steel exhaust system with “Twin” 2.75” tips produces high power with stronger mid range torque with a conservative appearance. Improves turbo response (less lag) when running large turbochargers and maximum durability. Complete with every nut, bolt and gasket!

3.5” Race Exhaust.
(All WRX & STi)
Turbo back exhaust system, 3.5" polished 304 stainless steel tube, flanges, TIG welded - single 4.5" tip (100db).
The worlds first 3.5" Turbo-Back Stainless Steel race exhaust system with a 4.5” tip is designed for 600+ horsepower. Minimal exhaust back pressure, fast turbocharger spool-up and maximum horsepower is guaranteed. This is a true 3.5" internal diameter mandrel bent exhaust system through each and every section. This system allows optimum exhaust gas flow with minimum exhaust back pressure. Complete with every nut, bolt and gasket!