2021 Subaru Sti: First Mod: Downpipe Or Downpipe? Maperfmance Upgrade 2008 Sti Sti 4g Dpc Rev2

Author Dalbo 19 Apr 2026

The sti has its own distinct downpipe to the ej257 and other turbo ej engines Intake will provide an increase in power. Anyways, to put it in lamens terms, a tune is pretty much required for basically anything that changes the way.

MAPerformance Downpipe Upgrade | 2008-2021 Subaru STI (STI-4G-DPC-REV2

2021 Subaru Sti: First Mod: Downpipe Or Downpipe? Maperfmance Upgrade 2008 Sti Sti 4g Dpc Rev2

Killer b makes a sweet piece of kit, but if it's not in the budget, tomei makes a good option too. Catback is more about sound so not gonna see a power increase Discover the top 3 first mods for every generation subaru wrx and sti — from the classic gc to the new vb

Build smart from day one.

2021 sti, just added a 3in catted down pipe from invidia, and man what a difference, all i had before that was a catback exhaust also from invidia, cold air intake and cobb accessport stage. Next, open up the exhaust side Upgrade your subaru sti exhaust system with a wide selection of aftermarket performance exhaust parts & oem replacements for your sti from subimods. This was a completely stock ej25 sti and we did 3 stages of modifications from stock and kept track of the results to compare

All of these results are. Mating our maperformance subaru wrx / sti downpipe to an oem factory exhaust or aftermarket exhaust is a breeze Simply select the option you'd like in the drop. We would like to show you a description here but the site won’t allow us.

MAPerformance Downpipe Upgrade | 2008-2021 Subaru STI (STI-4G-DPC-REV2

This is also an open box and review content in this video.please like and subscr.

I’m wondering if it’s a better choice to go catted down pipe + a. In addition to offering a number of downpipes from the industry’s best. Then i encountered an issue and needed a retune and they were trying to talk. With the right fueling mods, downpipe, ebcs, cat back and intake are optional