NPP install

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Dec 1, 2021 | 07:44 AM

wood78221

Thread Starter

Racer

Joined: Jun 2020

Posts: 274

Likes: 43

From: Vestavia Hills, AL

NPP install

I have an 09 base with previous NPP exhaust, apparently someone sold them and replaced with Flowmasters. The sound is great but drone is killer. I am looking at going back to NPP, however will I need a new vacuum kit or can I just do the Mild to Wild kit?

Dec 1, 2021 | 02:18 PM

MNcorvetteC6

Pro

Joined: Dec 2017

Posts: 595

Likes: 56

From: Plymouth Minnesota

I do not think the NPP was available as an option for the base 2005 - 2009 models. Likely you will be starting from scratch.

Dec 1, 2021 | 02:19 PM

wood78221

Thread Starter

Racer

Joined: Jun 2020

Posts: 274

Likes: 43

From: Vestavia Hills, AL

Quote:

Originally Posted by MNcorvetteC6

NPP was not available as an option for the base 2005 - 2009 models. Likely you will be starting from scratch.

thats odd, it’s on my code sticker

Dec 1, 2021 | 02:21 PM

farmington

Safety Car

Joined: Aug 2017

Posts: 4,243

Likes: 1,133

From: North Myrtle Beach SC

It was available 2008-2013. If the original vacuum lines and rear solenoid are still in place, just hook up the vacuum lines to the mufflers and go

Dec 1, 2021 | 07:58 PM

RetroGuy

Melting Slicks

Joined: May 2018

Posts: 2,091

Likes: 600

From: Question Government

You could always research keeping your aftermarket exhaust and see if an X-pipe and/or resonator tubes would get rid of the drone.

Dec 3, 2021 | 10:44 PM

jim11157

Racer

Joined: Mar 2013

Posts: 387

Likes: 16

From: Rocky Hill Connecticut

Hooker Blackheart Rear View

Front View

Close up of Vac. Controls

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