Exhaust ideas for 3800 N/A ?
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
Exhaust ideas for 3800 N/A ?
As of right now i just have a magnaflow muffler but i wanna do something a little more with it for sound and looks. I want to get two mufflers with tips just for the looks how do i go about doing that and what some other good exhaust ideas juat for the N/A?

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1
- ytd1861
- SLE Member

- Posts: 88
- Joined: Fri Apr 12, 2013 10:56 pm
- Year and Trim: 2003 Bonneville SE -normally aspirated- 4 door
- Location: East Arkansas
Re: Exhaust ideas for 3800 N/A ?
Dannyg420: I have the same year and model as you. Take my advice and get a ZZ Perf downpipe and a hi-flow catalytic converter form this company as they are cheap BUT legal and OBD-II compatible. Get the one they offer for H bodies. It is 3" but comes down to 2.5" at the backside, so it's super easy to weld to 2.5 pipes right off the back of the cat, or downpipe if you don't have/run a cat.
I got this catalytic and downpipe for my car and it's been on about 2 weeks...no codes, smaller and lighter than original, so far so good. I have my stocker in case anything goes nuts. I got rid of my stock resonator, bad move because now the car just sounds like a ticked off bumblebee with the stock single muffler..... Her's where to get the catalytic http://www.performanceexhaustplus.com/c ... ength.html
I went with the ceramic catalytic, but some say go metallic...
The downpipe and the cat above WILL make a difference, especially in mid and upper RPM. Yes, it helped my low-end torque some, but not nearly as much as middle and up. (Don't forget the 3" gasket you need for connecting downpipe to exhaust manifold...ZZ has them as does AutoZone, etc.)
I went to youtube and found a clip of a Bonneville, normally aspirated 2002 or 2003 I believe. It had Thrush Turbo mufflers (don't know about resonator or glasspack), but it sounded more like a V8 of any clip I've heard so far.
Here's a great muffler source, they are good. http://www.performanceexhaustplus.com/c ... ength.html I had 2 different versions on 2 of my 3 mid-90's GMC?Chevy trucks. Sound MEAN with and without catalytic, 2.5 pipes, and downright like a racecar via headers. None of the famous Flow drone either, just deep and strong. Note my trucks all had 5.7 V8 engines, no V6's so that is a consideration.
I wrote the guy about some muffles for my car, again same as yours. He recommended his PRO Street 6000 series. I just have not ordered yet. They are fast, build great products and will ship very fast.
I got this catalytic and downpipe for my car and it's been on about 2 weeks...no codes, smaller and lighter than original, so far so good. I have my stocker in case anything goes nuts. I got rid of my stock resonator, bad move because now the car just sounds like a ticked off bumblebee with the stock single muffler..... Her's where to get the catalytic http://www.performanceexhaustplus.com/c ... ength.html
I went with the ceramic catalytic, but some say go metallic...
The downpipe and the cat above WILL make a difference, especially in mid and upper RPM. Yes, it helped my low-end torque some, but not nearly as much as middle and up. (Don't forget the 3" gasket you need for connecting downpipe to exhaust manifold...ZZ has them as does AutoZone, etc.)
I went to youtube and found a clip of a Bonneville, normally aspirated 2002 or 2003 I believe. It had Thrush Turbo mufflers (don't know about resonator or glasspack), but it sounded more like a V8 of any clip I've heard so far.
Here's a great muffler source, they are good. http://www.performanceexhaustplus.com/c ... ength.html I had 2 different versions on 2 of my 3 mid-90's GMC?Chevy trucks. Sound MEAN with and without catalytic, 2.5 pipes, and downright like a racecar via headers. None of the famous Flow drone either, just deep and strong. Note my trucks all had 5.7 V8 engines, no V6's so that is a consideration.
I wrote the guy about some muffles for my car, again same as yours. He recommended his PRO Street 6000 series. I just have not ordered yet. They are fast, build great products and will ship very fast.
D.T.
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
Re: Exhaust ideas for 3800 N/A ?
Ytd id like to see a pic of ur car and yes ive thot avout getting the zzp dp but alota ppl tell me ues and alita ppl tell me kbow due to it bein 3in. It is something i have to think about but im tryin to figure out hoe to fet dual mufflers with the stock se exhaust? Is there some sort of y pipe or something?

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1
- ytd1861
- SLE Member

- Posts: 88
- Joined: Fri Apr 12, 2013 10:56 pm
- Year and Trim: 2003 Bonneville SE -normally aspirated- 4 door
- Location: East Arkansas
Re: Exhaust ideas for 3800 N/A ?
Yes, sort of...to have dual tips out the back you need a Y-pipe transition. Summit sells them from Magnaflow but they are $73.73, so I've been looking for a cheaper version. Summit part number.... mpe-10734
I'll try and get some pics in the next few days.
I'll try and get some pics in the next few days.
D.T.
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Bonnie01
- SLE Member

- Posts: 37
- Joined: Sun Feb 17, 2013 5:14 pm
- Year and Trim: 2001 Pontiac Bonneville SE
- Location: Sioux Falls, South Dakota
Re: Exhaust ideas for 3800 N/A ?
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Dannyg420
- SLE Member

- Posts: 63
- Joined: Sun Dec 09, 2012 4:20 pm
- Year and Trim: 2003 Bonneville SE
- Location: Chicago, IL
Re: Exhaust ideas for 3800 N/A ?
Ok thx ytf and bonnie01 that is very nice thats exactly what im going for

2003 Bonneville SE.....Intense Fenderwell intake....Magnaflow mufflers....glasspack resonator....grand prix wheels....rear 5% limo tint front 18% tint......Kenwood Headunit....mb quart tweeters,doors, 6x9s powered by autotek 1400 watt 4channel amp.....2 12in Alpine Type Rs 1000rms each powered by 1500 rms Mb quart mono RA1500.1



