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Apexi N-1 Exhaust Systems

The Apexi N-1 systems have 70mm piping expanding to 85 mm at the rear. The piping under the car is aluminized steel. The rear most pipe and muffler are polished stainless steel.

Apexi uses an adapter to allow you to bolt it up to the stock cat for now, and then by removing the adapter, allows you to bolt up a 3" down pipe later with out cutting on the exhaust.

They do sound great, it isn't a droning sound like on some east coast systems. Apex has a silencer for the N-1 that can be stuck into the tip to make them compliant with stricter local sound laws, it is included. It reduces the flow down to 2" though so you wont use it much.

'90-94 AWD turbo

$490

'95-99 AWD turbo

RRE Race Down Pipes

These down pipes are mandrel bent and have a large diameter flex section. They are built to bolt directly to an Espelier, RSR or Apex N-1, RS, WS or Dunk exhaust systems only. If you have another brand system with a small first section, you can modified your exhaust to fit by cutting out the small first section of your exhaust. Then you will need to weld in a 3" piece of pipe and one of our flanges. Just ask for a free flange when you order the DP. High flow catalytic converters can be added to the down pipes to make them "more" street legal.

AWD Systems

FWD System

Our DPs have a 2 1/2" stainless steel first bend with a 2 1/2" stainless steel flex section. They then expand to 3" right after the flex section right under the oil pan area. Why start out at 2 1/2"? If you are running on the stock O2 sensor housing, even ported it is 2 1/2" inside diameter. When the exhaust gasses are hot, they flow better, 2 1/2" is plenty for the first 12". As the gasses cool , bigger helps. By going to 3" after the flex section, we allow this expansion and also allow for better clearance at the front where room is tight. From there they are a full 3" back to the Apex 3" flange with 14 gauge aluminized steel piping. We had some Apexi flanges laser cut out of thick 1/2" steel for a good seal and fit.

These down pipes (and all performance DPs) break every known Federal law known to man if used on a public highway. While having a working high flow cat will allow you to pass a tail pipe test in even California, federal law does not permit replacing a working cat. Also, no emissions testing has been done on the DPs so they are not certified as being legal for any street use. Be a responsible citizen and use them on the race track only :-)

If you have the upgraded EVO O2 sensor housing, order the EVO style DP. It comes with the larger EVO bolt pattern and is angled correctly for those cars running the EVO O2 housing

We offer these down pipes for the following cars:
Vehicle	Part Number	Price
1G AWD Long	DP1G-AL	$230
1G AWD Long EVO O2 Housing	DP1G-AL-EVO	$230
1G AWD Short	DP1G-AS	$230
1G AWD Short EVO O2 Housing	DP1G-AS-EVO	$230
1G AWD Test Pipe	DP1G-A-TP	$60
1G AWD High Flow Cat	DP1G-CAT	$150

1G FWD Long Note: Need custom made exhaust	DP1G-FL	$230

2G AWD Long	DP2G-AL	$230
2G AWD Long EVO O2 Housing	DP2G-AL-EVO	$230
2G AWD Short	DP2G-AS	$230
2G AWD Short EVO O2 Housing	DP2G-AS-EVO	$230
2G AWD Test Pipe	DP2G-A-TP	$60
2G AWD High Flow Cat	DP2G-A-CAT	$150

2G FWD Long	DP2G-FL	$230
2G FWD Long EVO O2 Housing	DP2G-FL-EVO	$230
2G FWD Short	DP2G-FS	$230
2G FWD Short EVO O2 Housing	DP2G-FS-EVO	$230
2G FWD Test Pipe	DP2G-F-TP	$60
2G FWD High Flow Cat	DP2G-F-CAT	$150

Additional Flange (For non Apexi-Espelier-RSR Exhausts) Must Be Welded!	FLANGE-2B-300	$12