N/A Tuning | Subaru Impreza GC8 & RS Forum & Community

Sticky Zzyzx Motorsports 2.5 RS breaks 300 NA HP

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Sticky 200 HP from a 2.5 n/a with just bolt ons??

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Sticky Delta Cam Questions

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Sticky Fresh Air Intake On My N/A...WOW!

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Sticky Official "Which Exhaust Should I Get" Thread (Video Clips ONLY!)

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Sticky Subaru exhaust ID stats

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Sticky Header-Heat Wrap, Yes or No?

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Sticky DIY: Cam Install!

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2003 Subaru Impreza RS exhaust Ideas. (Australia)

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by Smoked

Tuning my 05 RS

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N/A RS 2.5 budget build

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EJ Blocks: A Pictoral Guide

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Wrist Pin Bushings

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30 degree intake valve seats plus 1mm valves

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by billstahler579

EJ22E - Single Port - Free Flowing AF, thoughts?

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Backfire w/ new exhaust?

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What is the best place to get a replacement refreshed 2.5 engine for a 1999 RS?

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Show me your exhaust setup!

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Forester Uel headers

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Timing Belt Kit

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PCV Valve on 05 RS

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eBay cat back for NA

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Subaru Impreza 2.0i improve performance

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Na 2L Impreza 2010 rs

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Exhaust manifold help!

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eBay Ej22 single port headers

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$30 Dollar Ganzflow style eBay intake

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Cat to mid pipe question.

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‘04-08 Foreater XT OE muffler

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Mid-pipe to cat doughnut.

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OBX headers and delta cam questions.

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